surplus material

基本解释

Upon receiving the Performance Certificate, the Contractor shall remove any remaining Contractor's Equipment, surplus material, wreckage, rubbish and Temporary Works from the Site.
在接到履约证书以后，承包商应从现场运走任何剩余的承包商的设备、剩余材料、残物、垃圾或临时工程。
horseke.blog.163.com
Upon the issue of the Taking-Over Certificate for the Works, the Contractor shall clear away and remove all Contractor's Equipment, surplus material, wreckage, rubbish and Temporary Works.
在颁发工程接收证书后，承包商应清除并运走所有承包商设备、剩余材料、残物、垃圾和临时工程。
In the course of rapid forming and manufacturing, a conventional method for removing the surplus material is replaced by a method in which the forming is realized by gradually adding material.
在快速成型制造过程中，传统的材料余量的去除被一种通过逐渐增加材料而成型的方法所替代。
ip.com

In its own interests, the West should go on buying up surplus nuclear material and ensuring, by bribery if need be, that underpaid Russian scientists do not sell their skills to rogue countries trying to build nuclear bombs.
ECONOMIST: And there is not a lot the West can do to help
For most of the species's existence, humans lived in small foraging bands that had little material surplus and therefore enjoyed a relatively egalitarian existence.
ECONOMIST: Your parents were right. Patience is a virtue