This varies by material. The best method to determine this is to consult the MSDS (Material Safety Data Sheet).
safety measures in using a thermometer
Michael Lowther has written: 'How to work safely with corrosive liquids and solids' -- subject(s): Safety measures, Chemicals, Corrosion and anti-corrosives
imposible to handling bases and acids
Use the safety shower if corrosive or irritating chemicals splash extensively on you or your clothing.
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You can use a pot holder,gloves and tongs in hadnling hot and flammable objects.
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P. A. Carson has written: 'Good Laboratory and Clinical Practices' 'The safe handling of chemicals in industry, volume 3' -- subject(s): Hazardous substances, Safety measures
Scientists, and others, wear safety goggles when they are working with corrosive, irritating, or toxic chemicals. If the chemicals got in their eyes eye damage could result. The goggles are to prevent that. Some scientists do not work with chemcials that do that, and those people do not wear safety goggles.
Well since some acids are corrosive, poisonous, flammable ect..Safety measures shall be taken while handling them, like wearing certain gloves, goggles, and you should NOT inhale the gas of the acid or else some of them would really harm your lungs.All these are precautions that must be followed, but the most important after all is being careful and accurate. ;)
That would depend on local laws regarding the handling of corrosive materials. Probably 18 after being acquainted with the safety information.