It depends what they are made of. Most of the plastics used are easy to scratch. Most people wash them in soapy water, rinse, and dry with a soft cloth.
the function of goggles is to protect the eyes from harmful substances.
clean up after your donework quietlyafter your done working wash your handsfollow instructionswear goggles when your working with chemicals or chemical reactions
plastic
Goggles
yes you can you can use most goggles as long as they protect your eyes. But they must have shatter proof lenses.
to protect your eyes
goggles
You must wear goggles in science experiments in case a mishap resulted in your eyes being sprayed and you eye-sight may be damaged.
prevents fogging
you can not do that .do not be silly.
I think people should wear safety goggles because when they are in Science or Technology, they need them to protect their eyes.
asolutly NOT