Lub tshuab ua kua nplaum yog cov cuab yeej siv los nchuav cov kua dej xws li cov kua nplaum, cov nplaum lossis cov sealants rau cov khoom lossis cov khoom ua haujlwm.Nws feem ntau muaj cov txheej txheem conveying, cov kua nplaum cia tank, lub taub hau filling, tswj qhov system, thiab lwm yam.
Nyeem ntxiv