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the simplest devices used to move heavy equipment are ____ - CORRECT ANSWER-rollers
the handiest device to move cartons and small pieces is a ____ - CORRECT ANSWER-hand truck
the key to safe and efficient unloading and storage of materials is _____ - CORRECT ANSWER-
planning
the shipping skids on heavy machinery should be (removed or left in place) for storage -
CORRECT ANSWER-left in place
to prevent absorption of moisture from concrete, cardboard cartons should be stored on ____ -
CORRECT ANSWER-pallets
doors should be stored (laying flat or standing on the back edge) - CORRECT ANSWER-standing
on the back edge
guide rails, electrical conduit, and duct should handled and stored carefully to be sure they
remain _____ - CORRECT ANSWER-straight
the only natural fiber rope suitable for hoisting is ____ - CORRECT ANSWER-manilla
, the most common synthetic fiber rope is made of _____ - CORRECT ANSWER-nylon
Natural fiber ropes have greater tendency to absorb ____ than synthetics - CORRECT ANSWER-
moisture
nylon rope is about ____ times as strong as manilla rope of the same diameter - CORRECT
ANSWER-3
tables of rope strength use a safety factor of 5, but in the field a safety factor of ____ is
recommended - CORRECT ANSWER-10
rope ends must be prevented from unraveling by ____ - CORRECT ANSWER-whipping
natural fiber ropes are subject to ____ and ____ if stored wet - CORRECT ANSWER-rot and
mildew
a bight is formed when the rope is bent so that the sides are ____ to one another - CORRECT
ANSWER-parallel
the most useful knot for joining ropes of the same diameter is the ____ knot - CORRECT
ANSWER-square
A ____ forms a loop that cannot slip but is easily untied - CORRECT ANSWER-bowline
to join ropes of different diameters use a _____ - CORRECT ANSWER-sheet bend
the strongest wire rope is mode of improved ____ steel - CORRECT ANSWER-plow