mechanism

Narrow by automaton 30 control 7 machine 7 vehicle 7 autonomous-vehicle 6 wheel 6 regulator 4 electric-switch 3 facility 3 plumbing 3 utility 3 appliance 2 commodity 2 equipment 2 household-appliance 2 pump 2 claw 1 clutch 1 control-system 1 faucet 1 fishing-tackle 1 fixture 1 gear 1 input-device 1 military-robot 1 mobile-robot 1 plaything 1 push-button 1 service-robot 1 storage-device 1