Factory Employment × Keywords: Hardness
2 jobs found.
Sealant Manufacturing Worker
A profession that operates manufacturing equipment for sealants, producing products through a series of processes including raw material blending, mixing, extrusion molding, curing, and packaging.
Tempering Worker (Metal Heat Treatment)
A profession that applies heat treatments such as quenching, tempering, and annealing to metal parts, adjusting hardness and toughness to ensure and improve product quality.