The disadvantage in using optical amplification rather than regeneration is that it is much more expensive
Indicate whether the statement is true or false
FALSE
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How is a surface finish symbol shown on a print when a standard or general surface finish is specified in the drawing title block or in a general note.
What will be an ideal response?
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Ball valves for refrigerant piping are used for larger applications and come in sizes up to about ____________________.
Fill in the blank(s) with the appropriate word(s).
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Which pencil lead is most suitable for drawing guidelines?
a. soft c. dark b. light d. hard
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____ is a thin-wall metal raceway that is not permitted to be threaded.
What will be an ideal response?
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