Answer: backlog

AnswerCrossword Clue
BACKLOG

Unshipped inventory

BACKLOG

Unprocessed orders

BACKLOG

Accumulation at the factory

BACKLOG
Accumulation of work
BACKLOG
Unfilled orders, for instance.
BACKLOGReserve.
BACKLOGInventory
BACKLOGWhat's not done yet
BACKLOGIn-basket stack
BACKLOGBuildup of unfinished work
BACKLOGIn-box pileup