Question

which of the following protect workers from air contaminants? a all of these answer choices are correct. b use proper ppe c when outdoors, stand upwind from any plume d use dust - collecting equipment when possible

Explanation:

• Option B: Proper Personal Protective Equipment (PPE) like masks can filter out air contaminants, protecting workers.
• Option C: Standing upwind from a plume means the contaminated air (plume) is blown away from the worker, reducing exposure.
• Option D: Dust - collecting equipment reduces the amount of airborne dust, thus protecting workers from inhaling it.

Since B, C, and D all are valid methods to protect workers from air contaminants, option A which states "All of these answer choices are correct" is the right choice.

Answer:

A. All of these answer choices are correct.