MECHANICAL (adj)  Related to or operated with a mechanism  THE STANDBY SYSTEM IS MECHANICAL.  
 MECHANICALLY (adv)  In a mechanical "manner"  OPERATE THE HORIZONTAL STABILIZER MECHANICALLY.  
 MECHANISM (n)  An assembly of mechanical parts that are made to operate together  USE WHITE SPIRIT TO CLEAN A HINGE MECHANISM THAT HAS A GREASE NIPPLE.  
 MEDICAL (adj)  Related to medicine (TN)  IF YOU GET HYDRAULIC FLUID IN YOUR EYES, FLUSH THEM WITH WATER AND GET MEDICAL AID.  
 medium (adj)  MODERATE (adj)  APPLY MODERATE PRESSURE.  A medium amount of pressure must be applied.
 meet (v)  ALIGN, ENGAGE, TOUCH  LOWER THE SEAT UNTIL THE LOCKING PINS ALIGN WITH THE HOLES IN THE TRACK.  Lower seat so that locking pins meet with holes in the track.
       PUSH THE PIN UNTIL IT ENGAGES IN THE RETAINING CLIP.  Push the pin until it meets with the retaining clip.
      THE ROD MUST TOUCH THE CENTER OF THE STRIP.  The rod should meet the center of the strip.
 MELT (v),
 MELTS, MELTED, MELTED  To change from solid to liquid because of heat  THE FUSIBLE PLUGS MUST MELT IN 20 SECONDS OR LESS.  
 mention (v)  GIVE  THE REPAIR LIMITS ARE NOT GIVEN BECAUSE SPECIAL EQUIPMENT IS NECESSARY.  Repair limits are not mentioned as special equipment is required.
 mesh (v)  ENGAGE  IF THE GEARS DO NOT ENGAGE, ADD A SHIM.  If gears do not mesh, add a shim.

 
 
 metallic (adj)  METAL (TN)  THE INSULATION BLANKETS ARE MADE OF METAL.  Insulation blankets are made of metallic material.
 meteorological (adj)  WEATHER (n)  DO THE TEST IN GOOD WEATHER.  Carry out test in good meteorological conditions.
 method (n)  PROCEDURE  USE AN APPROVED PROCEDURE WHEN YOU DISCARD THE CARTRIDGES.  Dispose of the cartridges by an approved method.
 mid (adj)  MIDDLE  PUT THE THROTTLE LEVER IN THE MIDDLE POSITION.  Place throttle lever in mid position.
 MIDDLE (adj)  At a point that is between two (TN) other points  REMOVE THE MIDDLE BELLCRANK UNIT.  
 MIDDLE (n)  A point that is at or near the center (TN)  LIFT THE SEAT TO THE MIDDLE OF THE TRAVEL.  
 mild (adj)  WEAK  USE A WEAK SOAP SOLUTION TO CLEAN THE SIDEWALL PANEL.  Use a mild soap solution to clean the sidewall panel.
 minimize (v)  MINIMUM (n)  USE A TRESTLE TO KEEP THE LOADS ON THE WING TO A MINIMUM.  Use a trestle to minimize loads on the wing.