Turnkey

Meanings

A warder or jailer/gaoler; keeper of the keys in a prison.
To supply a turnkey product; to supply something fully assembled and ready to use
Ready to use without further assembly or test; supplied in a state that is ready to turn on and operate (typically refers to an assembly that is outsourced for manufacture)

Turnkey: A turnkey, a turnkey project, or a turnkey operation (also spelled turn-key) is a type of project that is constructed so that it can be sold to any buyer
Turnkey (disambiguation): A turnkey project is constructed by a developer and sold or turned over to a buyer in a ready to use condition. See also turnkey supplier. Turnkey may
Contract manufacturer: contracts with a firm for components or products (in which case it is a turnkey supplier). It is a form of outsourcing. A contract manufacturer performing