How to sign: an instrumentality needed for an undertaking or to perform a service
Categories: instrumentality, instrumentation
Within this category: apparatus, automation, cooling system, electrical system, electronic equipment, fuel system, game equipment, gear, life-support system, life-support system, material, materiel, naval equipment, photographic equipment, radiotherapy equipment, recorder, rescue equipment, robotics equipment, satellite, sports equipment, stock-in-trade, teaching aid, test equipment