It is a poster to remind high school students to wear goggles while in a chemistry lab
you should wear safety goggles when you are swimming and when you are riding a bike.
Scientists, and others, wear safety goggles when they are working with corrosive, irritating, or toxic chemicals. If the chemicals got in their eyes eye damage could result. The goggles are to prevent that. Some scientists do not work with chemcials that do that, and those people do not wear safety goggles.
safety.
wear safety goggles
Situations in which you would wear safety goggles could include:using Bunsen burnermixing reactive chemicalsusing a lathe
The sign means that safety goggles must be worn.
Don't go goggle eyed wear safety goggles instead.
wear safety goggles
I think people should wear safety goggles because when they are in Science or Technology, they need them to protect their eyes.
To prevent accidents...
to protect your eyes
They protect yours eyes - wear them like glasses.