Now he finds immigrant craftsmen gathered in abundance outside his store in the early morning, waiting for it to open so they can buy supplies for the day's work as contractors.

现在他发现，很多移民工匠一大早就聚集在他的店外等着开门，就能以合同工的身份购买日常用品。

youdao

Contractors will also maintain basic medical supplies for prevention and hygiene issues related to the workforce.

承包商也要为相关工人提供预防和卫生防疫的基本医疗设施。

youdao

The trucks belonged to contractors hired to deliver supplies.

CNN: Attacks prompt U.S. look at Afghan supply route

Even more remarkable, half the workers don't even work directly for GEMA. They're employed by some 18 contractors doing noncore jobs once jealously guarded by the UAW, like moving supplies, maintaining equipment or cleaning the factory.

FORBES: Labor Riddle