Chemicals or biological substances
Precaution while using Microscope
Chemicals or biological substances
Since most slides are covered with chemicals or biological substances, extra vigilance is recommended. Users should always wear proper clothing and protective gear as needed. Food and drinks should be kept out of the workspace, as they can potentially contaminate the slides.
Positioning and focusing
Putting the microscope away
Proper microscope care
Handling
BE CAREFUL 
Why do I need to know how to use themicroscope
Laboratory to verify
Additional rules to remember
Always carry the microscope with two hands
FOCUS ON SPECIMEN
Be sure to clean and disinfect the eyepiece
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