?When air is used for the plasma gas, it must be clean and dry so a ______ must be used.
A. ?filter dryer
B. ?strainer and dust collector
C. ?clear plastic hose so you can see any dirt
D. ?short as possible hose
Answer: A
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?Plastics always contain the element ____.
A. ?carbon B. ?silicon C. ?oxygen D. ?nitrogen
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Electromotive force is another term for ________.
A) Current B) Voltage C) Resistance D) None of these
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Give two examples of intensive agriculture that result in food products that are an essential part of the diet of many of the world’s people.
What will be an ideal response?
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Define the term structural soundness, and give some examples of good and bad structure.
What will be an ideal response?
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