1.Minimum scrap loss. Runners, gates, and scrap can usually be reground. Recycled thermoplastics can be injection molded.
废料损失最小化：浇道、闸道和废料通常可以重新研磨。循环热塑性塑料可以注塑成型。
2.Cutting tools must be reground at the first sign of dullness. If a tool is used beyond this point, it will Break down rapidly.
切削刀具一开始变钝就须重新打磨。如果在这时还要继续用下去，刀具会很快地磨损。
3.This indicates that it could be a mixture of many compounds or a reground material.
这表明，它可能是许多化合物或磨光材料的混合物。
4.Check the presence of extraneous granules and possibly the size of reground material
检查是否有外来的粒料以及再粉碎料的尺寸