When turned toward the organist, the wheel would activate a mechanism that would add stops to the registration.

Each press of the trigger fires a cartridge, using the energy of the cartridge to activate the mechanism so that the next cartridge may be fired immediately.

The boss activated a mechanism that made a large wall slide sideways, revealing his hideout made of reinforced concrete with walls up to 15ft thick.

He described the incident stating that he fell and accidentally activated the mechanism because his shoe laces were untied.

Outside in the shop, an operator activates a mechanism on the pressing machine that releases the disguised armored door.