engine winterization system

winterization

winterization kit

engine capacity / engine power, engine output

reaction engine / motor (jet engine)

rotary engine (Wankel engine)

engine ground run / engine test

engine oil reservoir / engine oil tank

fire extinguishing system sprinkler system and fire alarm system

engine fire extinguisher system

engine air bleed system

engine power synchronization system

merchant ship communication system (mercomm system)

multiple launch rocket system (MLRS); multiple rocket launcher system

Air Force weapons system / AF weapon system

attitude-and-heading reference system / attitude and heading reference system (AHRS)

selective calling system, SELCAL system

Unmanned Aerial System / Uncrewed Aircraf System (UAS)

system of system common operating environment

air-breathing jet engine

axial-flow (jet) engine

axial-flow turboshaft engine

compression ignition engine

cylinder block (engine block)

diesel engine

engine

engine kill

engine pack

engine room

engine thrust

explosion engine

gas turbine engine

hybrid rocket engine