?A successful use of celluloid was for ____.
A. ?safety glass
B. ?photographic film
C. ?billiard balls
D. ?dental plates
Answer: B
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Technician A says that galvanic activity is the result of a poor ground connection. Technician B says that electrolysis can occur with a poor ground connection. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A relay designated as a 3PDT-SB relay _____.
a. has three NO (normally open) contacts b. is a single-throw type c. has three NO (normally open) and three NC (normally closed) contacts d. is a double-break type
Name the four stages of a complete metamorphosis
What will be an ideal response?
The blooms of the cotton plant are ____________________ flowers in that they have both pollen-bearing stamens and ovaries
Fill in the blank(s) with correct word