trunking

All the electrical and communications cables bundled together and distributed through a building.

The movement of containers or packages between a terminal and a transporter's inland facilities, or the scheduled transportation service between locations.

But long-distance trunking, of course, is the cream of the road haulier's job as well as the railway's; hence the anguish.

A system of ducts for cables, heating or ventilation.

Plastic conduit or duct used to conceal and protect electrical wiring.

A two-way radio technique that uses a control channel to automatically assign frequency channels to groups of user radios.