Turnkey

n. person having the keys, jailer

adj. fully ready for use, ready to be put into operation; intended for sale after being completely designed and produced

A turnkey or a turnkey project is a project in which separate entities are responsible for setting up a plant or equipment (e.g. trains/infrastructure) and for putting it into operation. It can include contractual actions at least through the system, subsystem, or equipment installation phase and may include follow-on contractual actions, such as testing, training, logistical, and operational support. It is often given to the best bidder in a procurement process.
See more at Wikipedia.org...

Noun
1. someone who guards prisoners
(synonym) prison guard, jailer, jailor, gaoler, screw
(hypernym) lawman, law officer, peace officer

(n.)
An instrument with a hinged claw, -- used for extracting teeth with a twist.
  

(n.)
A person who has charge of the keys of a prison, for opening and fastening the doors; a warder.
  

Pertaining to a procurement process that (a) includes contractual actions at least through the system, subsystem, or equipment installation phase and (b) may include follow-on contractual actions, such as testing, training, logistical, and operational support. (188 ) Note: Precise definition of the types of allowable contractual features are contained in the Federal Acquisition Regulations (FAR).