difficult / hard, probably impossible

maneuver, operate

operate (machinery)

a loom / woven cloth

operator

operability

remote control, remote operation (doing something from a distance)

a machine, a device; a contraption / a loom / an opportunity, a chance to do something; the right time or moment / something of great importance: the linchpin of the matter

indicates aircraft / indicates paper aeroplanes / indicates lives in video games

indicates machines / indicates airplanes