The title points to maquiladoras, the factories where workers make goods, and the poem's opening lines show what that work costs. The workers "bled to make shoes / to make clothes," and the blunt image suggests labor that wounds. They did it "with good will / and great pain," two phrases that sit side by side without softening each other.
Then the poem turns to a missing response. Someone "could not say Let us see / what we can do to mend all." The speaker doesn't say exactly who is silent, but the sense of failure is clear: nobody offers repair, or perhaps nobody is able to.
The last image is odd and haunting. A "fur of experience" rises "like amber," and the word "us" pulls the speaker into the scene. Amber traps things and preserves them, so the image can feel like suffering hardening into something fixed, or like comfort that numbs. The mood is quiet, guilty, and uneasy, a sorrow that stays unresolved.