use, usage

machine; machinery

movement of the body / gesture / operation of machinery

move / make a gesture / run, operate, be functional

use, utilize

special / particular / specific

specialness, exceptionality

器械: a device, an appliance, a mechanism / 機械: a machine, equipment, an apparatus / 器械: a utensil, a tool, an instrument / 器械: a tool for conducting a test or experiment or for measurement

reuse

user; consumer / employer