Which of the following describes a retroreflective scan?
a. The scanning method in which the light beam transmitted from the transmitter is reflected
back to the receiver by the target to be detected
b. The scanning method in which the target to be detected passes between the transmitter
and receiver, interrupting the light beam
c. The scanning method in which the receiver responds only to depolarized light reflected
from a corner cube reflector or polarized sensitive tape
d. The scanning method in which a target is detected as it passes between a photoelectric
sensor and a reflector
d. The scanning method in which a target is detected as it passes between a photoelectric
sensor and a reflector
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A. newel B. baluster C. run D. cove
Housekeeping duties of a technician can include ________
A) Keeping items off the floor whenever possible B) Cleaning the floor C) Keeping the work area clean and organized D) All of the above
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A. carbon, hydrogen, and water vapor B. carbon, nitrogen, and oxygen C. carbon, hydrogen, and oxygen D. carbon dioxide, hydrogen, and oxygen
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Answer the following statement true (T) or false (F)