Trigger lock Correct Answer - Activation makes the trigger
stay in the operating mode even when it is released
Alternating current (AC) Correct Answer - Reverses its
direction at regularly recurring intervals; this type of current is
delivered through wall plugs
Reciprocating Correct Answer - This saw's straight blades
move backward and forward along a straight line
Arbor Correct Answer - The end of a circular saw shaft where
the blade is attached
Carbide Correct Answer - Very hard material used for tips of
masonry bits and nail-cutter saw blades
abrasive Correct Answer - A substance, such as sandpaper,
that is used to wear away material.
Chuck Key Correct Answer - A small T-shaped steel piece used
to open and close the chuck on power drills.
revolutions per minute (rpm) Correct Answer - value used to
report the rotational speed of a motor or shaft
Countersink Correct Answer - A bit or drill used to set the head
of a screw at or below the surface of the material.
Direct Current (DC) Correct Answer - Flows in one direction,
from the negative to the positive terminal of the source, such as a
battery