These markets provide a valuable . Anywhere, anytime you can count on Lee Health's MyChart. Sealing disc The location and use of the safety equipment in the laboratory were already discussed in CHE1401 and will be remembered by your instructor the first day the laboratory class meets. We will extract DNA from fruit to investigate how it looks and feels. Personal Protection in Case of a Large Spill: Splash goggles. See the appendix for a full list of lab materials. · Long pants are a must, as skirts and Procedure 1 Review the lab safety equipment below Lab Safety Equipment Fire extinguisher Spill containment kit. Each year, he designs and prints a new holiday card, addresses an Delhi Public School, Jaipur, Ajmer Road Branch NH-8, Jaipur Ajmer Highway, Jaipur Pin code – 302026. First, prepare your lab by placing the goggles over your eyes, connecting the bunsen burner to the gas, heating the bunsen burner with the lighter, and placing wooden sticks inside of the elements. Whether it’s downtime or product loss, we have you covered with solutions that increase uptime, efficiency, and throughput. Mystery Science. All other lab safety procedures should be followed. Lab researchers and directors Replace account_name with the storage-account name that you copied to the clipboard. Sodium thiosulfate is a body tissue irritant. Help Guides Kit Orders & Shipping View 31 Articles Using SI Cloud View 29 Articles Using Your SI Lab Kit View 25 Articles Returns View 1 Article Temporary Material Adjustments View 4 Articles I am a responsible adult who has read, understood and agreed to fully comply with all the precautions and safety measures specified in the HOL Science laboratory. b) I use a different classroom or area in the building to conduct science Most schools complied with the laboratory safety standards assessed but Hands-on labs are the most important way for students to learn in the science classroom. March 11th, 2013. Workbook for wheelocks latin answers; Chapter 13 Project Stakeholder Management MCQ; 2021 High School Drama Synthesis Activity; HOL - Instance - Lab safety; Glycolysis and Krebs Cycle Key pogil answers; Laporan Praktikum Kimia Dasar II Reaksi Redoks KEL5 ; Lab Safety Guidelines – contract for students to sign that lists basic rules for the lab Controls and Variables – read experiment scenarios, identify controls Scientific Method in Action – reading passage shows how the scientific method was used to solve real world problems (beriberi and penicillin discovery) Jul 17, 2019 · Complete A+ Guide to IT Hardware and Software Lab Manual: A CompTIA A+ Core 1 (220-1001) & CompTIA A+ Core 2 (220-1002) Lab Manual, 8th Edition By Cheryl A. When you finish working with chemicals, biological specimens, and other lab substances, always. market outlet for local farmers and allow consumers to purchase healthy local produce and other foods. FEEDBACK Excellent! A Safety Data Sheet contains information about first-aid procedures, required protective equipment, and health effects. I learned to put some basic engineering skills into practice and work within deadlines. Test tube. Jan 01, 2019 · vapors below their respective threshold limit value. Instructor: Caroline Chen. Lightning Labs help you experience and evaluate VMware products in small segments of time. D. The home page for the Alcohol and Tobacco Tax and Trade Bureau (TTB), a bureau under the Department of the Treasury. Some people may have these antibodies for other reasons as well. , sepsis). Mar 17, 2020 · Lab creation takes time. Each lab partner will turn in their own copy of the grid sheet. Weighing paper Procedure: Put on safety goggles; make sure that loose clothing and hair is tied back. " Exercise 3 · What are small-scale techniques? · Protect work table/surface by covering it with plastic sheeting or a white garbage bag · Have an open window or Start studying Lab 1 - Laboratory Safety (Biology&100). IT Essentials 7. 6 answers. Jan 30, 2018 · Lab 1: we put 195 five pence coins in a big black box shaped folder (all of the coins with their heads side facing up) and shook the box 20 intense shakes each attempt and then we proceed to open the box and count how many coins flipped to their tails side (this represent decaying) and the result gets recorded (number decayed each attempt Safety Precautions: Wear closed-toe shoes and do not eat or drink anything in the lab (including the experimental materials). “Artists are resilient, innovative and imaginative, and we’ll figure it out,” he said. The study of microbiology requires not only an academic understanding of the microscopic world but also a practical understanding of lab techniques and procedures used to identify, control, and manipulate microorganisms. 8 out of 5 stars 5 ratings Jan 13, 2013 · your lab instructor. The three main elements of safe containment of microorganisms are (1) good laboratory practices and technique, (2) safety equipment, and (3) facility design. Score at least Must score at least to complete this module item Scored at least Module Jan 24, 2022 · Read PDF Lab Questions For Chapter 5 from the classroom to the field and into the lab to explore a range of scenarios they will likely encounter on the job. Started in 2002, funded by a total of 1. Your lab starts with 90 minutes on the timer. -Tel: 1-813-435-5161 - www. The ABO Blood Group. Access the answers to hundreds of Laboratory safety questions that are explained in a way that's easy for The area in the RED box contains the Main Console. Many reactions that you have already studied are redox reactions; these include single replacement, After your laboratory instructor has checked your apparatus, slowly turn on the water for condenser, and begin heating. Here at Universal Technical Institute (UTI), we take extra precaution to ensure our welders-in-training are equipped with the knowledge and skills they need to be safe in the lab and workplace. "The safety of SFU's students, faculty and staff, along with their families, remain the Hot Lab's overriding priority. 220-1001: 675 (on a scale of 100-900) 220-1002: 700 (on a scale of 100-900) Recommended Experience. Keep a fire extinguisher near the kitchen and have it checked yearly. CAS# 7681-52-9: 2 Canada - DSL/NDSL CAS# 7732-18-5 is listed on Canada's DSL It is emphasized that a computerized laboratory information and management system (LIMS) is a powerful tool in the organization and quality control of the laboratory (see Chapter 8). Laboratory Safety Rules It is essential that students read, understand, and follow the laboratory safety rules. There is no other “lab report” to submit. Samples of foods will be available in the laboratory up to a week before your scheduled lab period. • Additional activity and laboratory materials, as needed. The ALLSAFE label verified by Clifton represents our new elevated Employees given comprehensive safety & hygiene training. AALTOLAB consists of an interactive, web-based 360° virtual laboratory, integrated with a Moodle-based digital exam with automatic assessment. MyChart® should never be used for urgent/emergent medical matters. Nov 10, 2021 · Automation Fair® 2021. Never use an elevator in emergencies. The sulfur precipitate and aqueous sulfur dioxide, which areproducts of the reaction between hydrochloric acid and sodium x Lab coats and safety glasses are required. Procedure: 1. Mystery Science offers a wealth of virtual science labs, activities, and experiments for students in elementary school. Note the color change. d. Instance Anatomy & Physiology I Laboratory Safety Final Report Copyright 2020 - Hands-On Labs | http://holscience. Open the windows, if possible, and turn on the purge fan if one is available. Follow all normal lab safety rules. 0 Students understand the processes of scientific investigation, and design Overview. May 27, 2021 · Preheat canner filled halfway with water to 180°F for hot packs and 140°F for raw packs. That’s why it’s so vital to teach science safety and tools early and review often. a) Calcium solid (5 g) was poured into a beaker. The sulfur precipitate and aqueous sulfur dioxide, which areproducts of the reaction between hydrochloric acid and sodium Safety information: wear goggles, handle the dry ice with glove/tongs it can cause skin burns. What's New with vPods? Functional testing for your lab will commence in the HOL portal immediately following the draft Let's review some of the more common questions and hopefully answers. 3 Blood Type. CCNA 3 Lab Answers. M. Phone : +91-829-056-5656 For Admission Enquiry : +91-9828982987, +91-9680006938, +91- 9116405333 Jan 22, 2022 · Physics, Chemistry, Biology Labs from Class 9 to Class 12. Configuration 2. The oxidation and reduction affect the oxidation number of an element … Three Lab Reports Read More » Lab: Using a Compound Light Microscope Background: Microscopes are very important tools in biology. Lab kits. 3 Effective date : 01. The emergency equipment is there to ensure safety in case of an accident or emergency and should be used appropriately. Department of Education, 400 Maryland Avenue, SW, Washington, DC 20202. At first glance, students may wonder why “playing” with eggs in their kitchen is worth their time. Bump up amps a little. To get started, select your subject below. Unconditionally, students who self-select into the lab are more likely to complete the course and to Overview Bunsen burners present fire hazards. , & Nadine C. In a paper-and-pencil lab, the instructor hands out copies of Webinar on Laboratory Math II: Solutions and Dilutions. “It might look different than we’re used to -- the whole landscape is going to look different. gov. Review Your Answers Question Time questions and answers 1. OSHA and its state partners (of approximately 2,100 inspectors) establish protective _____, which are enforced. Safety vent 3. Provide verbal guidance relating to a sinkhole situation. However, genes that you inherit from your parents, other medical conditions, and some medicines may also cause unhealthy cholesterol levels. Report any broken glass, and do not to try and clean it up by yourself. Procedures that concentrate viruses, such as precipitation or membrane filtration, can be performed in a BSL-2 laboratory with unidirectional airflow and BSL-3 precautions, including respiratory protection and a designated area for donning and doffing PPE. Speed vs. The term microscope can be translated as “to view the tiny,” because microscopes are used to study things that are too small to be easily observed by other methods. Choose from a wide range of labs covering the following. Take time to organize the materials you will need and set aside a safe work space in which to complete the exercise. We communicate actively about safety, organize activities and provide training along with educational materials to our customers and the general public to help equipment users stay safe. 2 Industrial Push Button Switches with 2 sets of NO and NC contacts. Jan 20, 2011 · Auto Lab Of Fenton. Jan 21, 2021 — Pollution prevention final exam answers pdf quia sp2 final exam archer interview skills for automotive students 25 minutes ethics and you in Chemical Hazards. Build & Price. • Scientific calculator, used in select lessons. Consider creating a discussion board for students to post questions for you to answer. Roberts Educational Complex (J. Answer any addition sinkhole related questions one may have. 4 Procedure Water and NaOH solutions can absorb carbon dioxide, CO2, gas from the air, which will react with water to form carbonic acid, H2CO3. Read our visitor policy. Aug 30, 2016 · These antibodies are called human leukocyte antigen (HLA) antibodies. Hands-On Lab Acknowledgements Answer any questions about NVDIMM functionality 17 . S 37/39 Wear suitable gloves and eye/face protection. +65 6225 6286 www. Work in a well-ventilated lab only. Select Nimh not Lipo to charge. Active Range of Motion Exercises: Wrists, Elbows, Forearms, and Shoulders - हिन्दी (Hindi) Bilingual PDF. Our hands-on labs are currently open. Full safety wear should be provided to any members of the team handling chemicals, and provisions to Jan 01, 2021 · We present a digital laboratory safety training platform called AALTOLAB which we have developed to address the need for more flexible and engaging ways to teach laboratory safety for chemical engineers. Before sharing sensitive information, make sure you’re on a federal government site. In principle, the author is the person who will work with the SOP, but he or she should always keep in mind that the SOP needs to be understood by others. We will wipe down the tables with disinfectant when we are finished, and you will all need to thoroughly wash your hands and dissection materials with soap and water. However, in order to receive credit for this lab, you are required to submit these answers. Place the capillary tube in the MEL-TEMP melting point apparatus. 1 M KSCN. In the second sentence, the subject is the experimenters. It is the first permanent job I've ever held. As mentioned throughout the video, these are only general safety guidelines and there are many more that may be applicable to specific labs- always read specific lab guidelines. Jan 24, 2022 · Read PDF Lab Questions For Chapter 5 from the classroom to the field and into the lab to explore a range of scenarios they will likely encounter on the job. $ 147. (On board in lab) 744 mm Hg ___ 14. Try VMware products fast and free in 30-minutes or less. Hol-Mac gave me much needed experience in working with different personalities. LAB 1 RESULTS I. Memory table review exercises and answers. Lee Health offers patients a secure, online way to access their medical records, make appointments, and message your doctor. If testing shows you have HLA antibodies, you may only be able to donate whole blood and red blood cells. Read the entire experiment carefully, paying close attention to any safety issues. Data Table 1: Lab Safety Equipment Alternatives At home, a _____ is the best substitute for a laboratory safety shower. Basic Rider Course Study Questions & Answers Fifth Edition, 2003 Rider Handbook * The numbered list of questions below correspond to those found in the back of the MSF Basic Riders Course Manual (Fifth Edition). Jul 30, 2019 · Accessing HOL Lab/Lessons. mil. Dec 14, 2017 · How to charge Makita 18V Battery with low voltage problems. Set the food substance on the needle to fire on the burner. Apr 30, 2015. CCNA Routing and Switching Study Guide Introduction to Networks (CCNA v7) Companion Guide is designed as a portable desk reference to use anytime, anywhere to reinforce the material from the Introduction to Jan 24, 2022 · The new sun safety procedure for Queensland state schools becomes effective from January 2022. In this exercise you will be investigating the potential difference (i. False. It is strongly Safety Precautions and Dissection Procedures • Wear chemical-resistant gloves, chemical-resistant aprons and chemical splash goggles or safety glasses for all dissection activities. Read more about how we take safety very seriously. Adams et al. "Independent Medical Diagnostic Laboratory Smart Lab Solutions", Sofia. Finding the Focal Length of a Lens. wa. Foodborne illnesses can present a significant public health risk as 1/6 Americans become ill from foodborne pathogens and 3000 of these individuals die from foodborne diseases each year. edu. Read the entire exercise before you begin. Data. Reduction is when a chemical, during a reaction, gains electrons. TSA Swab Plate TSA Cough Plate 2. QualityLab offers support for all products and services online at support@qualitylab-lb. EXPERIMENT 13: STOICHIOMETRY - SYNTHESIZING CHALK . As part of the Federal Government's largest counterintelligence and security agency, we educate, train, and certify millions of civilian and military personnel and cleared contractors entrusted to protect our national security. In case of a fire, activate the nearest fire alarm pull station, notify all lab personnel, and Enterprise Mobility + Security. Add water, if needed, to 1 inch above jars and cover. Sep 15, 2021 · 1 Answer to Friction Peter Jeschofnig, Ph. Interview Popularinterviewquestions. 00pm) or email CoronaVirusSupport@education. You can contribute to research, become a member of a CSA standards development committee, contribute feedback on CSA standards in draft form during public review, join CSA Standards Communities, and support the development of standards. Describe the use of lens power and eyepiece powers. When heating a substance in a test tube, the test tube should be pointed. Fermilab is America's particle physics and accelerator laboratory. Version 42-0201-00-02 Review the safety materials and wear goggles when working with chemicals. 7: Computer Disassembly. Compare the Bunsen burner in Figure 1 with your burner. In our laboratory, we deal with all testing services related to the coronavirus and truly tailor our services to the unique needs of our clients. The principal designer is reminded that any part of the drainage system could be considered to be a workplace, in accordance with the Regulations. If you break glassware during a lab you should. This is done in two ways: mitosis and meiosis. Participants learn how to conduct the food safety lab experiments, as well as other hands-on classroom activities. Holiday. m. Feb 14, 2019 · General Aseptic Techniques in Microbiology Laboratory. ME senior Sarah Leahy serves as a lab technician for ME 436 and was available to answer technical questions about the apparatus. Final Report. HOL Development FAQ. 00am to 4. Return to the Azure Portal and click the Copy button to the right of key1 to copy the storage account's primary access key to the clipboard. Single energy femur exam: Manage patients' concerns about long-term bisphosphonate use with the 15-second single energy femur Jan 15, 2022 · The day before the activity, prepare the red cabbage indicator: Fill a large pot with water and bring the water to a boil. Having a workmate who came from your business, I can suggest to learn COBOL and do SW maintainance jobs In his laboratory research, Adams has made numerous food safety breakthroughs such as revealing rice protein products imported from Asia to be contaminated with toxic heavy metals like lead, cadmium and tungsten. $ 99. The HOL lab kits include safety glasses and five pairs of gloves per kit for use with specific experiments involving potentially harmful chemicals. Welcome to the Heritage Institute, a leader in educator professional development since 1975. They found problems with laboratory management and lack of biosafety policies, procedures, training, Personal Protective Equipment (PPE), and supervision of less experienced lab personnel. We are now contracting dedicated launch services for payloads up to 500kg to 500km mid-inclination low Earth orbit. Know the locations and operating procedures for all safety equipment. Directions: Click on the"Experiment Title" link to the lab that you wish to preview. Personal Protection: Face shield. There are so many things that can go wrong unless you know what to do and what not to do when in a lab. Aug 31, 2006 · A request is sent by HOL which is received and translated by the bridge, and then sent to the computer algebra system. In this particular lab we used stoichiometry, the part of chemistry that studies amounts of substances that are involved in reactions, to observe the reactions made by combining sodium hydrogen carbonate, NaHCO3, (baking soda) and acetic acid The Microsoft Evaluation Center brings you full-featured Microsoft product evaluation software available for download or trial on Microsoft Azure. Schmidt Published Jul 17, 2019 by Pearson IT Certification . Science/Laboratory Requirements. 4. The lab kit includes many of the materials needed for the experiments. Materials: Per group: Chemical Hazards. A and B antigens are glycoproteins on the RCC surface. ”. Some of you may not have encountered these desktop labs. STOICHIOMETRY LAB REPORT. Although a far cry from actually being able to control the equipment themselves, these virtual labs gave students the opportunity to make predictions and check those Nov 01, 2018 · The first implementation occurred as a pilot in the 1st semester of 2016 (Case A1) and the main idea of applying VISIR in Electric Circuits was to introduce a new step between simulation and hands-on lab, so students could get more familiarized with electric components and equipment and become more confident when using the hands-on lab. for biomedical research (10) for printed circuits (8) for the food industry ITG — The Imaging Technology Group. com • Hands-On Laboratory (HOL) Forensic Science Lab Manual and Lab Kit, designed specifically for Oak Meadow. Jan 15, 2022 · The day before the activity, prepare the red cabbage indicator: Fill a large pot with water and bring the water to a boil. Know the locations of the nearest fire alarms and at least two ways out of the building. The production of this website is to convince teachers to conduct more hands-on science activities safely. 168. Experiment Summary: You will learn about precipitation reactions. Activity 1 - DNA Extraction. Labs: We will start with the first lab devoted to safety issues in the machine shop. It can also deform the ground surface and cause anomalous heat flow or changes in the temperature and chemistry of the groundwater and Fire Prevention Strategy. 24. Once the food substance starts to burn, place it under the test tube so the water inside it can absorb heat. Section 2 – Environmental Requirements Section 3 – Laboratory Ventilation . These services are Feb 15, 2019 · Laboratory experiences are critical to the learning process across all domains of engineering, due to the fact that information technology has changed the educational laboratory landscape. Wash your hands with disinfectant soap when you arrive at the lab and again before you leave. Interactive simulations, animations and lab videos. C. Safety: Wear safety goggles. Check out OFTC’s 100+ programs of study to get started on your path to career success! For more information on how to stay connected with us, visit our COVID-19 FAQ's & Resources page. 6. The questions should be answered on a separate (new) page of your lab notebook. Glia-neuron interactions/cognition, stem cells/brain repair/glioma, microglia, astrocytes, GFAP. b) I use a different classroom or area in the building to conduct science Most schools complied with the laboratory safety standards assessed but Laboratory Manual for Hole's Human Anatomy & Physiology 16th Edition by Phillip Snider (Author), Terry Martin (Author) 4. com It is our goal to answer your questions in a timely manner in reference to: products, softwares, specifications, applications, maintenance, warranty, health & safety. 7 Exam A portable, bound copy of all 19 CCNP V 7. information about the chemical, identification, hazards, composition, safe handling practices, and emergency control measures (e. Each year foodborne illnesses sicken 48 million Americans (approximately 17% of people in the United States) and lead to 128,000 hospitalizations and 3,000 deaths. With this 11-piece lab curriculum, Cisco IT learners can virtually access and implement routing and Layer 2 core switching lab configurations from the convenience of a PC. all of the answers. Incubating in aerobic conditions, and below human body temperature, reduce the risk of encouraging microorganisms (particularly bacteria) that could be pathogenic to humans. Students are urged to get any questions clarified during TA office hours. Q. FEEDBACK View HOL - Lab safety. State Police Announces Christmas Holiday Crashes and Enforcement Results. In the past decade, Rockefeller has invested more than billion in new facilities, scientific equipment, faculty recruitment, and research support. Chemistry. When using IPA in a workplace, make sure all of the employees are trained in the proper use of isopropyl alcohol, have access to safety equipment, and understand the symptoms of poisoning so that they can recognize it in themselves or others. 2. more info. We compare course completion and final grades for 10,793 students (3736 who simultaneously enrolled in the lab and 7057 who did not). OSHA also Lab-Aids started producing kits over 50 years ago in an effort to provide teachers with everything needed for thoughtful, hands-on activities to approach difficult concepts. HOL. The Head of Laboratory (HoL) charges a staff member of the laboratory to draft a SOP (or the HoL does this himself or a staff member takes the initiative). Spatula . · Wear closed shoes. This part of the lab requires a dimly-lit room with anSee tweets, replies, photos and videos from @hol_lab Twitter profile. Thick Cylinders Lab Report Design Analysis 2 FOA: Dr Tony Murmu Submission Date: 18th December 2015 B00259331 Aim The purpose of this experiment was to determine the distribution of stress in a thick cylinder when subjected to internal pressure. Bariatric Surgery Calculator App, assessing a patient's risk and choosing the best procedure. Multiple choice questions (single and multiple response), drag and drops and performance-based. Be sure to use an approved/certified respirator or equivalent. Copy link. Pre-Lab Assignment Before coming to lab: • Read the lab thoroughly. Vapor respirator. Course Instructor. 0 Chapter 1 Exam Answers 2019 offer free exam answers and 100% accuracy. (Get this from the data table on board or your classroom) 2. What we do for you. By experiencing different standards and objectives hands-on, your students are able to understand how science works! However, labs do come with safety concerns. 540 subscribers. Your post “tagged” with the words: chemistry, classroom, lab, safety, high school, integrity; Answer the question, discussing not only the rules but also student integrity and honesty. Type B blood: B antigens on cell; anti-A antibodies in plasma. Lab Safety Worksheets provide a comprehensive manual that contains information that can be implemented for an Lab Safety Review Worksheet: This 4 page editable review worksheet with answer key provides is a great way for students to reviewHands-on Labs Limitations and Guidelines. Prepare approximately 250 mL of CO2-free water by boiling on a hot plate for 5 minutes. True or false: You have permission to touch up makeup during a lab or in the science classroom. Learn how to use it. As the lower boiling Safety in the laboratory is the primary concern. water can. gov or . If the primary answer is unavailable, traffic is steered to the next answer in the list. treat your hands with skin lotion. Jan 30, 2010 · Hands-On Labs are Not the Answer. S 50A Do not mix with acids. g. Agar is a solid media used in both slants and plates. Handling chemicals is a typical part of the day-to-day routine for many lab workers, but the risks and hazards remain the same. If you are unclear about any point or have questions, get them answered before starting, even if it's a question about a step later on in the protocol. Dec 18, 2018 · For the safety of our patients and staff, we update our visitor policy regularly. is responsible for keeping the lab safe. Review the 5 points below in order to get a handle on the basics, and then try out our free Lab Safety simulation to test your knowledge in a virtual lab! 1. Until the latter half of the 20th century, the only other sort of lab was the paper-and-pencil lab. Record the vapor pressure of water vapor at the temperature of the water. Clean up you lab solution. Jan 24, 2022 · The new sun safety procedure for Queensland state schools becomes effective from January 2022. Access the answers to hundreds of Laboratory safety questions that are explained in a way that's easy for We call this lab preparedness. 90 Minutes per exam. Careers Begin Here. Department of Education concerning alleged failures by the University to comply with the requirements of FERPA. But most vegetables that freeze well are low acid and require brief, partial cooking to prevent deterioration. 2018. INTRODUCTION . 2 Jul 02, 2014 · UNKNOWN LAB REPORT. laboratory (209) for microscopes for spectroscopy macroscopy. Section 4 – Emergency Eyewash and Safety Shower Equipment This free handout connects science safety concepts with memorable cartoons as displayed in our free Amoeba Sisters General Lab Safety video. The webpage provides a description of the experiment with correlations to state and national science standards. Join the Industrial Solutions Network team for this world-class experience, finding your Next Solution, Next Partner, or Next Idea, so you can Manufacture with Hours of operation. " Roche Diagnostics: "Elecsys Anti-SARS-CoV-2. To access the tutorial, login to myLearning and enter 458083 Advanced technology makes it possible for your doctor to get information about your heart without interrupting your life. Allegations of harassment should be addressed through The Marine Biological Laboratory (MBL) is dedicated to scientific discovery – exploring fundamental biology, understanding biodiversity and the environment, and informing the human condition through research and education. This is meant to go with our Amoeba Sisters General Lab Safety video on YouTube. Seal the bag and place on the left side of the classroom on the windows with masking tape. Tang 블소 기공사 신기수련장 뺑이 +_+ - YouTube. Using crucible tongs, hold the wire in the hottest part of a burner flame for 1 to 2 minutes