Ergonomics<span> (or human factors) is the </span>scientific<span> discipline concerned with the understanding of interactions among humans and also other elements of a system, & the profession that applies theory, principles, data and methods to design in order to optimize human well-being and overall system performance.
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Answer:
Voice box (I call it that.), and that's where air passes to get to your lungs.
Explanation:
just looked it up
Others cannot answer that question for you and if they were able to we would have to know the article this is coming from..
Answer:
All are vehicles of contamination except Blast chiller.
Explanation:
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