Selenium is a(n) _____.

A. conductor
B. insulator
C. semiconductor


Answer: C

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?During ____, a plastics film is placed over the layup and a vacuum is drawn between the film and the mold.   

A. ?cold-mold thermoforming B. ?vacuum-bag processing C. ?sheet molding D. ?rigidized shell spray-up

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Most roots occupy the upper 12 inches of soil; most roots do not extend deeper than five to six feet below the soil surface

Indicate whether the statement is true or false.

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According to Petersen's Accident/Incident Theory, systems fail because

A. Management does not establish a comprehensive safety policy. B. Responsibility and authority are not clearly defined. C. Safety procedures are ignored or given insufficient attention. D. All of the above are different ways that systems fail.

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Microfilm quality is such that it is suitable for archiving drawings.

Answer the following statement true (T) or false (F)

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