An Allen wrench ________________.
Answer(s): D
An Allen wrench fits screws with a hexagonal recess in the head of the screw.
A machine screw _________________.
Answer(s): A
A machine screw cannot cut threads in wooden surfaces. Machine screws are used in a wide variety of applications, not just building or construction; the diameter and pitch of the screw and the nut must be the same for them to work together; and a machine screw cannot be used to cut threads in sheet metal.
Uncontrolled, rapid drying of wood (for instance, lumber) causes .
Answer(s): C
Uncontrolled, rapid drying of wood (for instance, lumber) causes checking and cracking. This is why new lumber sometimes is kept submerged in water until it's time for it to be cut.
A finishing nail has a than a common nail __________________.
A finishing nail has a smaller head and smaller diameter than a common nail.
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