What does the acronym HEPA stand for in reference to air filters?

What will be an ideal response?


high efficiency particulate arrester

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To determine if a product or substance being used is hazardous, consult ________.

A) SAE standards B) A dictionary C) An SDS D) EPA guidelines

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The earliest known fish lived in the Ordovician period and were called ____________________

Fill in the blank(s) with correct word

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The tubing or pipe for natural gas supply to a gas heating unit is ____________________.

Fill in the blank(s) with the appropriate word(s).

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An estimated 8 to 10 million homeless cats and dogs turn up in animal shelters in the United States annually. Approximately one-half of them are euthanized because no one adopts them

A. True B. False

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