For many materials the process of turning them back into useful raw materials is straightforward: metals are shredded into pieces, paper is reduced to pulp and glass is crushed into cullet. 对许多材料而言,将它们转变为有用的原始材料的过程是非常简单的:金属物被压碎成碎片,纸被融合为纸浆而玻璃制品则被碾成玻璃碎末。
Cullet \Cul"let\ (k[u^]l"l[e^]t), n. [From {Cull}, v. t. ] Broken glass for remelting.
Cullet \Cul"let\, n. [A dim. from F. cul back.] A small central plane in the back of a cut gem. See {Collet}, 3 (b) .