Taw qhia cov roj hmab kev lag luam muaj qhov pom kev thoob ntiaj teb, ob qho tib si ntawm kev siv nyiaj txiag thiab kev koom tes ib puag ncig. Raws li qhov kev thov rau cov roj hmab muaj kev loj hlob ntxiv, qhov kev rau ib puag ncig ntawm nws cov khoom lag luam tau tuaj hauv kev tshuaj xyuas. Tsab ntawv no rho mus rau hauv lub multifac

Roj hmab manufacturing yog ib tug txheej txheem nyuaj uas hloov cov roj hmab rawform rau hauv cov khoom tiav. Cov txheej txheem no cuam tshuam ntau theem, suav nrog compounding, sib tov, milling, moulding, kho, thiab ua tiav. Txhua theem yuav tsum ua tib zoo saib xyuas kom nthuav dav thiab nruj dua rau cov qauv tswj hwm zoo

Taw qhia roj hmab rwb thaiv tsev yog qhov tseem ceeb ntawm cov tshuab hluav taws xob, ua si ib lub luag haujlwm tseem ceeb hauv kev tiv thaiv kev ua haujlwm hluav taws xob, cov kab luv luv, thiab lwm yam phom sij. Nws yog siv los npog thiab tiv thaiv cov xov hluav taws xob, cov hlau, thiab cov cuab yeej siv los ntawm noo noo, kub, thiab lwm yam puag ncig tha

Taw qhia roj hmab ntsaws ruaj ruaj yog cov cheebtsam tseem ceeb uas siv hauv ntau cov ntawv thov, los ntawm cov khoom lag luam hauv tsev rau cov khoom siv hauv tsev neeg. Lawv lub luag haujlwm tseem ceeb yog txhawm rau tiv thaiv cov kua dej los yog roj av, ua haujlwm ntawm cov khoom siv lawv yog ib feem ntawm. Kev ua yeeb yam ntawm

1. Ntxhaaj. Dab tsi yog cov roj hmab sib txuas? 3. Dab tsi yog cov roj hmab sib txuas? 4. Vim li cas thiaj li yog ib tug roj hmab sib xyaw ua ke tseem ceeb? 5. Qhov xaus roj hmab tebchaw cov roj hmab muaj cov phab ntsa tsis muaj cai nyob rau hauv ntau cov ntawv thov, muab qhov tsim nyog tau yooj yim, ruaj khov, thiab kev siv zog siv zog, thiab muaj kev kub ntxhov. Tab sis koj puas tau paub tias th