At the time I visited, sanders processed at least 400 pairs of jeans a day, six days a week, not including overtime.

在我访问的时候，桑德天至少加工400条牛仔裤，周6天，不包括加班。

Narrator: They use rotary tools to rip and fray the costumes and sanders to make the fabric less starchy and rigid.

旁白：他们使用旋转工具撕损服装，并使用砂光机使织物不那么坚硬。