____________________ switches are noncontact-type switches that are used to sense the presence or absence of an object without actually contacting the object.
Fill in the blank(s) with the appropriate word(s).
Proximity
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The farther apart the contour lines are on a site plan, the more gradual the ____________________.
Fill in the blank(s) with the appropriate word(s).
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What two methods of pricing might a subcontractor use for precast concrete?
What will be an ideal response?
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Carry the answer to two decimal places. A motor rated at 90 horsepower is actually developing 105 horsepower. What is the percent of horsepower overload?
Fill in the blank(s) with the appropriate word(s).
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Las herramientas de hierro como las sierras, hachas y escofinas se han utilizado aproximadamente desde hace ________ años.
a. 500 b. 2,000 c. 5,000 d. 150
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