switch (v)  SET    SET THE "SWITCHING" SELECTOR OF THE ENGINE WARNING DISPLAY TO THE "SYSTEM DISPLAY" POSITION.  Switch the Engine Warning Display to the System Display Unit.
 switch on (v)  SWITCH (TN)  SET THE "NAV 1" SWITCH TO "ON".  Switch on NAV 1.
 SYMBOL (n)  A written sign that identifies a quantity, operation, or item  THE ATA NO. 100 GIVES THE SYMBOLS FOR RELAYS, DIODES, ETC.  
 SYMMETRICAL (adj)  Has or with symmetry (TN)  MAKE SURE THAT THE POSITION OF THE WING FLAPS IS SYMMETRICAL.  
 SYMMETRICALLY (adv)  In a symmetrical "manner"  THE ELEVATORS MUST MOVE SYMMETRICALLY.  
 SYMPTOM (n)  A sign of a condition  IF THE SYMPTOMS OCCUR AGAIN, REMOVE THE UNIT.  
 synchronize (v)  ALIGN, ADJUST  ALIGN COMPASS SYSTEM 1 WITH COMPASS SYSTEM 2.  Synchronize compass system 1 with compass system 2.
      ADJUST COMPASS SYSTEM 1 UNTIL IT AGREES WITH COMPASS SYSTEM 2.  
 SYNCHRONIZED (adj)  1. That operates at the same time  MAKE SURE THAT THE TWO ROTORS ARE SYNCHRONIZED.  
    2. That agrees with  STOP THE TEST WHEN THE TIMERS ARE SYNCHRONIZED.  
 SYSTEM (n)  An assembly of related parts to do a specified operation  DO NOT FILL THE SYSTEM DIRECTLY FROM A HIGH-PRESSURE CYLINDER.  

 
 
 TACKY (adj)
 NOTE : No other form of this adjective  "Sticky" when you touch it  WHEN THE COMPOUND IS TACKY, APPLY THE PATCH.  
 TAG (v),
 TAGS, TAGGED, TAGGED  To put a tag (TN) on  TAG AND SAFETY THE CIRCUIT BREAKERS.  
 take (v)  REMOVE, READ, GET, NECESSARY (adj)  REMOVE THE FILTER FROM THE SOLVENT.  Take the filter from the solvent.
       LET THE DIAL BECOME STABLE BEFORE YOU READ THE INDICATIONS.  Allow dial to settle before taking readings.