Mestech lub tuam txhab ua lag luam ntau pua pwm thiab ntau lab ntawm cov khoom lag luam yas thiab cov khoom siv hlau rau cov neeg lag luam hauv zos thiab thoob ntiaj teb hauv ib lub xyoo. Cov khoom lag luam no tau siv hauv tshuab hluav taws xob, hluav taws xob, tsheb, khoom siv kho mob, khoom siv hauv tsev, khoom siv kev lag luam, tsheb thauj mus los, kev thauj mus los thiab lwm cov teb. Thov kawm paub ntau ntxiv los ntawm cov xwm txheej hauv qab no.
Peb muab cov neeg lag luam nrog cov kev pab cuam tom qab ua cov khoom lag luam yas thiab cov hlau, xws li cov xim pleev xim, tshuaj ntsuam silk luam ntawv, kub stamping, electroplating, sandblasting, nto anodizing, thiab lwm yam, kom tau raws li cov neeg siv khoom ntau yam kev xav tau.