SHOCK (n)  The sudden effect of energy (TN) on a person or object  SHOCKS CAN CAUSE DAMAGE TO THE GYRO.  
 SHORT(adj)
 (SHORTER, SHORTEST)   That has small length or "duration"  ATTACH THE SHORT ARM OF THE BELLCRANK TO THE ROD.  
 shorten (v)  DECREASE  DO NOT DECREASE THE TEST TIME.  Do not shorten the test time.
 should (v)  MUST, IF (con)  PERSONNEL MUST PUT ON PROTECTIVE CLOTHING.  Personnel should wear protective clothing.
       IF A FAILURE OCCURS, STOP THE TEST.  Should a failure occur, stop the test.
 SHOW (v),
 SHOWS, SHOWED, SHOWN  To cause to be seen, to let be seen  THE SYMBOL SHOWS ON THE SCREEN.  
 shut down (v)  STOP  STOP THE ENGINE.  Shut down the engine.
 SIDE (n)  1. The specified surface or area of an object  LUBRICATE ONE SIDE OF THE WASHER.  
    2. A location or direction that has a relationship to a center (TN) or a line (TN) of division (TN)  PUSH THE UNIT OUT AND THEN MOVE IT TO THE LEFT SIDE.  
sideways (adv)  SIDE (n)  PUSH THE UNIT OUT AND THEN MOVE IT TO THE LEFT SIDE.  Push the unit out and then move it sideways.
 sight (n)  VIEW  TURN THE KNOB TO MAKE THE DISPLAY GO OUT OF VIEW.  Turn the knob to make the display go out of sight.