BookerVanmaanen
Answered

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give two reasons why it is important to wash your hands both before and after completing a lab.

Sagot :

I would say it is important to wash your hands before and after because to get an accurate lab result, you would want to start off with a fresh slate of clean hands. Then washing them after gets rid of any substances that you might have been exposed to your hands in the lab. 
tsorin99
not occur because chemical poisoning to remove any traces of chemicals that can affect skin on your hands are accidentally
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