What shape are the standard segments used to construct trolley systems?
A. straight
B. semicircular
C. triangular
D. circular
Answer: A
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Which of the following is not a part of the combustion chamber?
A. Piston B. Intake valve C. Exhaust valve D. Camshaft
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The advantages of ISDN PRI are the number of bearer channels allowed per circuit and the signaling channel used to handle all signaling events
Indicate whether the statement is true or false
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