bag and tag

Выражение встречается в следующем контексте:

The actual material procurement process indicates that the material procured by X will be received, reviewed and accepted by the X Central warehouse. This includes the Quality control services (OS&D, material certification review, etc.)
If so, the X Central Warehouse functions will be extended by using personnel of the Material Control Group and include the material “Bag & Tag”, delivery to the executing contractors and corresponding inventory control.

Заранее спасибо