To reduce the amount of storage required to hold information by changing the method of encoding the data.

To provide protection for an article or group of articles against physical damage during shipment; packing is accomplished by placing articles in a shipping container, and blocking, bracing, and cushioning them when necessary, or by strapping the articles or containers on a pallet or skid.

1. A pillar built in the waste area or roadside within a mine to support the mine roof; constructed from loose stones and dirt.

2. Waste rock or timber used to support the roof or underground workings or used to fill excavations. Also known as fill.

See <<pack ice>>

Part of a parachute assembly in which the canopy and shroud lines are folded and carried. Also known as pack assembly.