Parts added to a crane to help balance the weight of the lifted load are called _____.

a. booms
b. masts
c. counterweights
d. headache balls


c. counterweights

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Select well-drained soils to protect against root diseases

Indicate whether the statement is true or false

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Simplify the expression:  (a2- 2b2)( -a2 + 6b2).

Fill in the blank(s) with the appropriate word(s).

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Which of these common plant nutrients would not be found bound as a cation to the surface of a clay mineral?

a. Potassium b. Phosphorus c. Ammonium-nitrogen d. Magnesium

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What level of tach reference information is required in order for the PCM to properly control a distributor ignition system?

A. Level one information indicating that "a pair" of cylinders' pistons are approaching TDC B. Level two information indicating "which pair" of cylinders' pistons are approaching TDC C. Level three information indicating which cylinder of the piston pair approaching TDC is on the compression stroke D. None of this information is required in order for the PCM to control a distributor ignition system

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