mechanically-operated

This would have avoided the cost of installing a mechanically-operated clock.

On the rural services there will be extended use of radio signalling to replace ageing mechanically-operated boxes.

Attempting to reach her, Sam is trapped between two mechanically-operated glass doors and can only watch as the villain makes his escape.

Where mechanically-operated height-adjustment beds are provided and the patient is capable with instruction, of operating the mechanism, independence in this respect can be maintained.

Like four-stroke ship engines (some of which are also reversible) they use mechanically-operated valves, so require additional camshaft mechanisms.

The differential gears could have been used to keep a mechanically-operated pointer aiming in a fixed direction, to the south, compensating for whatever turns the chariot made.

The keys were organised in such a way to prevent the typist from typing too quickly and thereby prevent the mechanically-operated rods of the typewriter from sticking.

A mechanical rectifier is a device for converting alternating current (AC) to direct current (DC) by means of mechanically-operated switches.

A live actor and mechanically-operated puppets were used in some shots, while in others both the Lilliputians and the boy were animated puppets (a full-size puppet of the boy was constructed).

A mechanically-operated slit provides fine-tuning of the energy spectrum transmitted into the magnetic sector and an electrostatic quadrapole lens is used to reduce aberrations in transmitting the ions to the magnetic sector.

The film's special effects, which include several mechanically-operated heads and body parts, were made and executed by Carlo Rambaldi, best known for creating the extraterrestrial protagonist of Steven Spielberg's E.T. the Extra-Terrestrial, for which he won an Academy Award in 1983.