A system of ducts for cables, heating or ventilation.
The movement of containers or packages between a terminal and a transporter's inland facilities, or the scheduled transportation service between locations.
All the electrical and communications cables bundled together and distributed through a building.
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.
A pipe that is a conduit for water; an essential element of plumbing.
A device for smoking, such as a hookah or bong, in which the smoke is drawn through a container of water before inhaling.