A spool or cylinder around which wire is coiled.
A fine cord or narrow braid.
The little rounded piece of wood at the end of a latch string, which is pulled to raise the latch.
In a sewing machine, the small spool that holds the lower thread.
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.