You must not paint wooden ladders because paint _____.
a. makes ladders hard to carry
b. can hide defects and flaws
c. is a hazardous substance
d. is not good for the wood
b. can hide defects and flaws
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Mechanical couplers are used
A) where the lap-splice length of reinforcing bars is excessive. B) where lap splicing of reinforcing bars will produce excessive congestion. C) to lap splice reinforcing bars. D) as an economical alternative to lap splicing of reinforcing bars. E) none of the above.
Explain how the right-hand and left-hand screws are advanced.
What will be an ideal response?
Electric vehicles each use ________ for the charge cable connection
A) A standard SAE plug-in connector B) An adapter, depending on the voltage C) A 90 volt transformer D) A unique connector plug
What is the working principle for an atmospheric draft cooling tower?
What will be an ideal response?