Lub ntim tshuab yog hom tshuab uas ntim cov khoom kom tiv thaiv thiab zoo nkauj. Lub tshuab ntim cov khoom tau raug muab faib ua ob yam: 1. Cov khoom cog tag nrho, 2. Khoom muag cov khoom ntim khoom muag.
Daim ntawv thov ntim tshuab
Kev siv cov khoom ntim, tshuaj, tshuaj txhua hnub, kho vaj tse, teeb pom kev zoo, rooj tog thiab lwm yam lag luam (pocket, bottled) khoom filling (filling), tshuab sealing, coding.
Ntsaws ntim tshuab, ntsug ntim tshuab, ntsug ntim tshuab, ntsug ntim tshuab, hmoov granule ntim tshuab, tsis siv neeg hnab ntim tshuab, tuaj ntim tshuab rau khov khoom.