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ASVAB DeMYSTiFieD by Cynthia Johnson

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chapter 17Shop Information

Safety First

Any discussion of shop information must begin with a discussion about safety precautions. We’ll start with eye protection. Many workshop tools used can send splinters, metal pieces, or even sparks flying. Safety glasses are fine for many operations, but welding requires specialized visors. Ear protection is evaluated with a Noise Reduction Rating (NRR). A higher NRR means the earplug or ear muff offers more protection against louder noises. Both fumes and dust can damage your lungs, and require different types of respirators. The best source of information regarding which respirator you need is the National ...

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