3 thoughts on “Is the jewelry factory poisonous, will it be bad for the workers?”
Flora
It looks very clean to make jewelry. In fact, there are internal injuries. Diamond processing factory. You stay in it for more than an hour, wipe your nose with a paper towel, and the paper towels become black. Jewelry jewelry inlaid factor
It looks very clean to make jewelry. In fact, there are internal injuries. Diamond processing factory. You stay in it for more than an hour, wipe your nose with a paper towel, and the paper towels become black. Jewelry jewelry inlaid factor
The tissue turns black because the precious metal was oxidized by oxygen at high temperature, so it turned black because it was toxic.
I can't tell