Because if wearing contacts you can get eye damage if something splashes in your eye
because certain chemicals can make them melt
A teacher should know that you are wearing contacts during a lab because if any of the chemicals get into your eye then they will have to take extra steps so you don't go blind. You also may need to wear special goggles.
remove contact lenses put goggles on tie back long hair wash your hands
It is important because it is possible that fumes or gaseous particles may collect behind the lens. Fumes or gaseous material can lead to hazardous affects like pulling out he cornea if not taken proper care of.
Yes you can, but when working with certain severely irritating chemicals you should at least tell your supervisor and coworkers that you are wearing them, so they know to remove them quickly if you take a chemical splash in the eye. Nevertheless, some labs have rules against using contact lenses under any circumstances. If you enter such a lab, you should comply with their rules.
Depends on the dress code of the individual lab. You'd wear different cloths if you are working in a nuclear lab than if you were working an medical lab, or a agricultural lab. But usually they all wear a lab coat of some kind.
they wear a white lab coat so that they can see if they have got any chemicals on them
it depends on what they do. if they are under water or traing animals they have to wear jumpsuits.if there in the lab researching they have to wear a lab jacket.
yes they were a lab coat to do everthing
biologist wear labcoats
they were tootoos with pink skinny jeansand a clown wig
no
lab coat goggles gloves mask apron