Personal safety is being discussed. Technician A says to always wear eye protection when using a blowgun. Technician B says to always wear face protection when using the grinder. Who is correct?
A. Technician A
B. Technician B
C. Both technicians
D. Neither technician
Answer: C
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The subsequent problems refer to the following circuit and variable definitions: 
If Vs=5V, which direction are electrons flowing in the circuit:
A. in neither direction B. from right to left C. in both directions simultaneously D. from left to right
Slabs used as casting beds typically have a thickness of _____
a. 5-1/2 inches b. 4-1/2 inches c. 3-1/2 inches d. 2-1/2 inches
OLMC stands for On-Line Micro Computer
Indicate whether the statement is true or false
To minimize distortion when cutting thin steel, _____
a. avoid preheating the metal before starting the cut b. keep the cutting tip perpendicular to the metal?s surface c. move as quickly as possible without losing the cut d. preheat the metal until it is near its melting point