Hard suction hose or discharge hose carried connected to pump, eliminating delay occasioned when hose and nozzles must be connected and attached at fire.

A procedure whereby hose is connected either to the intake or the outlet of the pump before a fire, to expedite hose operations and fire fighting procedures.

Three input/output unit s are preconnected to files by the operating system and need not be connected by the OPEN statement. The preconnected units are: Unit 5 (standard input) Unit 6 (standard output) Unit 7 (standard error)