water purification and distillation unit

reverse osmosis (water) purification unit (ROPU / ROWPU)

water distillation team

water purification

water purification set/ purifier

water purification tablet

distillation (fuels quality control)

gasoline distillation

temperature-distillation chart

purification plant

water jacket plug / water-jacket plug

position and navigation unit / position navigation unit (PNU)

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

water transporting unit

water treatment plant (unit)

Drug Control, Organized Crime, and Public Order and Critical Incident Management Unit    

water bottle and cup / mug

water testing and screening test

rail and-water movement

battery coolant unit / battery-coolant unit (BCU)

gear reduction unit / gear-reduction unit

pinch (a unit) out of a large unit

control and display unit (CDU)

fighter control and radar reporting unit

investigation and intelligence unit (law enforcement)

search and rescue team / unit

unit ready to move and fight

unit tables of organization and equipment

missile and artillery reconnaissance unit

care and maintenance unit

distributor-and-contact breaker unit

fire-and-safe unit

bank-and-climb gyro unit