SPILL (v), SPILLS, SPILLED, SPILLED  To accidentally flow, or cause to flow, out of a container  IF YOU SPILL THE ELECTROLYTE, YOU MUST REMOVE IT IMMEDIATELY.  
 spillage (n)  CONTAMINATION, SPILL (v)  FIND THE AREA WHERE THERE IS MERCURY CONTAMINATION.  Locate area of mercury spillage.
       IF ACID SPILLS, CLEAN THE AREA.  After acid spillage, clean the area.
 spin (v)  TURN  TURN THE WHEEL QUICKLY WITH YOUR HAND.  Spin the wheel by hand.
 splash (v)  GET  IF YOU GET FLUID IN YOUR EYES, GET MEDICAL AID.  If fluid splashes into eyes, get medical aid.
 splined (adj)  SPLINE (TN)  THE DRIVE SHAFT HAS SPLINES.  The drive shaft is splined.
 split (adj)  DAMAGED  YOU MUST REPLACE DAMAGED CASINGS.  Split casings must be replaced.
 split (v)  DIVIDE, BREAK  DIVIDE THE ELECTRICAL LOAD BETWEEN THE TWO BUS BARS.  Split electrical load between the two bus bars.
      THE CASING MUST NOT BREAK IF YOU APPLY THE MAXIMUM TEST PRESSURE.  The casing must not split if you apply the maximum test pressure.
 split-pin (v)  SAFETY  SAFETY THE NUTS WITH SPLIT PINS.  Split-pin the nuts.

 
 
 spot (n)  MARK, STAIN (TN)  A RED MARK ON THE PIN IDENTIFIES THE LUBRICATION POINT.  A red spot is painted on the pin to identify the lubrication point.
       REMOVE ALL THE STAINS FROM THE CARPET WITH WARM WATER AND SOAP.  Clean off any spots from the carpet with warm water and soap.
 spot (v)  FIND  IF YOU FIND CORROSION IN THIS AREA, DO REPAIR SCHEME NO. 3.  If corrosion is spotted in this area, carry out repair scheme No. 3.
 SPRAY (n)  A "jet" of very small drops of liquid  THE SEALANT IS RESISTANT TO SALT SPRAY.  
 spray (v)  SPRAY (n)  APPLY THE COMPOUND AS A SPRAY.  Apply compound by spraying.
 spread (v)  APPLY  APPLY THE COMPOUND EQUALLY.  Spread compound evenly.
 spring (v)  MOVE  MAKE SURE THAT THE PINS DO NOT MOVE OUT OF THE NOTCH.  Make certain that the pins do not spring out of the notch.
spurious (adj)  UNWANTED  IF THERE ARE UNWANTED INDICATIONS, DO A TEST.  In the event of spurious indications, do a test.
 stability (n)  STABLE (adj)  MAKE SURE THAT THE AIRCRAFT IS STABLE BEFORE YOU LIFT IT WITH JACKS.  Before jacking up aircraft make sure that aircraft stability is ensured.
 stabilization (n)  STABLE (adj)  MAKE SURE THAT THE OIL PRESSURE DECREASES WHEN THE TEMPERATURE IS STABLE.  Check that oil pressure drops after stabilization of temperature.