Roj Hmab Taw nrog ntsia hlau qhov

Roj hmab taw nrog cov ntsia hlau ntsia hlau, namely roj hmab pads, yog cov khoom siv dav hauv ntau yam khoom siv, cov cuab yeej siv, thiab khoom. Lawv cov khoom siv tseem ceeb yog cov roj hmab hluavtaws, xws li cov roj hmab uas muaj hluav taws xob, thiab cov khoom siv hluav taws xob zoo nkauj, tau ua cov ntaub ntawv zoo tshaj plaws rau kev tsim cov roj hmab cov ntaub qhwv.

Thaum lub sij hawm tsim khoom lag luam, cov roj hmab raw, vib cov neeg sawv cev, cov ntaub ntawv raws, thiab lwm yam khoom siv raw yog muab sib xyaw kom huv si los ntawm kev qhib zeb qhib. Tom qab, nrog cov txheej txheem tshwj xeeb xws li compression moulding thiab txhaj tshuaj moulding thiab txhaj tshuaj moulding, cov duab uas tau tsim, thiab thaum kawg, cov khoom tiav tau ua.