Technician Asays fiber optics provide illumination of several objects by a single light source. Technician B says light rays travel through the plastic strands by means of external reflections. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B
Answer: A
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Fill in the blank(s) with the appropriate word(s).
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Fill in the blank(s) with the appropriate word(s).
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