fluid-operated controller

proportional–integral–derivative controller (PID controller / three-term controller)

terminal attack controller (TAC) (= forward air controller)

fluid-operated

blowback-operated weapon

gas-operated

gas-operated weapon

hand-operated firearm

manually operated

power operated

power-operated

power-operated transporter

recoil operated weapon

recoil-operated

remotely operated (underwater) vehicle (ROV / ROUV); underwater robot

remotely operated video enhanced receiver (ROVER)

straight blowback-operated small arms

victim-operated improvised explosive device (VOIED)

victim operated IED (VOIED)

solenoid-operated circuit breaker

automatically operated

blow-back operated machine gun

cam-operated valve

crew-operated weapon

vertically-operated wedge-type breech mechanism

hand-operated brake valve

foot-operated trigger mechanism

differentially operated flap

power-operated control

hydraulically-operated freight loader

recoil-operated system

dynamic remotely operated navigation equipment (DRONE)

remotely-operated