College

[whathuh]

I love wearing sandal and shorts on the lab, especially when it is warm. Something that drops on your trousers is often more dangerous...becuase you don't know it is there.
Same goed for wearing gloves....bad idea most of the time (only not when you work with carcinogenic stuff, bromine, and piranha solution).
Most important lab rule, is think what you are doing.

But getting lower grades for not putting on your glasses.....that is treating students as if they were children...bad idea.
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Back when my dad was into chemistry, he once hit a guy in the eye with some solution. It's really not a bad idea to keep them on all the time. My brother got something in his eyes as well, and acutally had to use the eye drenchers. I bet he lost his contacts in the process.

I agree that some of the stuff is idiotic and pure common sense. I also half agree with your idea that trousers are more dangerous. It is very true that a sharp knife is much safer than a dull knife, mainly because you don't use nearly as much force to accomplish the same task (and most people are safer with sharp objects.) However, if you pour HCl on your pants, it won't burn your skin, just your pants. You will probably realize if you drop something on you, since you are dealing with dangerous chemicals.