While traveling, the Hound essentially gives up on life. He asks Arya to kill him to put him out of his misery, but she refuses electing instead to let him suffer and leaving him to die. His fate remains unknown, with conflicting evidence in the books on whether he lives or dies.
Production Operation. any part of the industrial process that is treated as a distinct element for the purposes of such design and organizational considerations as planning, accounting, and control.
An operation is composed of processes designed to add value by transforming inputs into useful outputs. Inputs may be materials, labor, energy, and capital equipment. Outputs may be a physical product (possibly used as an input to another process) or a service.