Question

gloves provide protection from: *
heat
cold
u - v light
all of the above

one should wear a dust mask or respirator when: *
never
always
when harmful fumes and dust are present

rags containing oil, gasoline, solvent, alcohol, paint, or lacquer must be: *
kept in a covered metal container
stored in a waste basket
folded neatly and placed on the shelf
stored in a cool dry place

one should wear safety glasses in shop *
only when you want to
only if it may be unsafe
you are not comfortable
always

Explanation:

1. Gloves can protect from heat, cold and UV - light. Different types of gloves are designed for these purposes.
2. Dust masks or respirators are worn when there are harmful fumes and dust to prevent inhalation of harmful particles.
3. Rags with flammable or hazardous substances should be kept in a covered metal container to prevent fire and spillage risks.
4. In a shop, safety glasses should always be worn to protect eyes from potential hazards like flying debris, chemicals etc.

Answer:

1. D. all of the above
2. C. when harmful fumes and dust are present
3. A. kept in a covered metal container
4. D. always