Overs: (1) The quantity of printed items delivered to the customer above the net amount ordered and chargeable on a pro rata basis within laid down limits. (2) The extra quantity allowed for possible spoilage during production.

• （1）加印量 （2）加放量:（1）付交顾客实际订印量外的超额，在列明的限额内，按比例收费。（2）预计在生产过程中的损耗而容许的额外数量。