When did it become illegal to "intentionally" vent CFC refrigerants to the atmosphere?
What will be an ideal response?
July 1, 1992
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What is mechanical work?
What will be an ideal response?
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A detailed listing of the rules and principles that apply to specific welded products is a _____
a. welding procedure specification b. welding blueprint c. welding code d. site quality standard
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The quality of a sketch depends on ______________________________.
Fill in the blank(s) with the appropriate word(s).
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When an arrow side or other side significance is not intended, the seam-weld symbol is located ____ the reference line.
A. aside B. astride C. inside D. along
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