The I/O rack of an PLC is used to connect the ____ to the outside world.
a. programming terminal
b. power supply
c. CPU
d. program loader
c. CPU
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On uncovered building floors, the top rail of a guardrail must be strong enough to support a weight of at least _____.
a. 150 pounds b. 175 pounds c. 200 pounds d. 250 pounds
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One of the most exciting uses for genetic engineering is that of increasing the ____________________ value of food
Fill in the blank(s) with correct word
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Farmers support the establishment of a single food agency
Indicate whether the statement is true or false
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What are brake lathes, and what are they used for?
What will be an ideal response?
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