TM 5-4320-275-13 & P
RECIPROCATING - Equipment that acts along a straight line in alternating direction, i.e., the up and down motion of the
RECOMMENDATIONS - Suggestions for change; adv ise given usually to make an improvement.
REQUIRE - To demand or need.
RESERVOIR - A container for holding a fluid, such as oil or water, in readiness for use.
RESPIRATION - The process of breathing; inhaling and exhaling.
RESTRICTED - Limited, confined; prevented from moving. Also the reduction of cross-sectional area through which a
gas or liquid must flow.
SCOPE - The extent of an activ ity or concept; the amount of information covered as in a book.
SHAFT - A round rod or bar which rotates to transfer rotary motion or torque.
SHOCK - An extreme stimulation of the nerves and muscles caused by the passage of electric current through the body.
Also damage caused to mechanical equipment as a result of sudden stoppage of motion.
SLINGING - Using a looped or hanging strap to raise and lower a heavy object, or for carrying or supporting something.
SOLVENT - A liquid that can dissolve another substance.
STREET ELBOW - A pipe fitting which changes direction of flow 90 degrees.
STUD - A type of fastener, or alignment dev ice, which has one end attached to a surface and the other end protruding
from that surface. The protruding portion of the stud may be used as an alignment aid or, if threaded, as a fastener.
SYMPTOM - The external sign or indication of a condition.
TIEDOWN - Strap or fastening dev ice used to hold an object in position.
TORQUE - Force around an axis. It produces a rotary or twisting motion, and is measured in foot pounds (ft lb) or
newton-meters (N ).
VALVE - A dev ice used to control the flow of a fluid.
VAPOR - The gaseous form of any substance which is usually a liquid; vapors are present in the air around the
VENTILATE - To prov ide with a source of fresh or uncontaminated air.
VISUAL - Visible; detected by the unaided eye.
WARPAGE - The twisting, bending, or other distortion of an object which alters its shape.
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