(1) Lub kaus mom cov yeeb nkab yuav tsum yog lub hau ntsaws sab hauv: lawv yuav tsum tsis txhob poob yooj yim thaum txuas; thiab lawv yuav tsum tau muab tshem tawm yooj yim yam tsis tas yuav muaj lwm yam cuab yeej.
(2) Cov khoom siv ntawm lub kaus mom yeeb nkab yuav tsum yog qib high-pressure ib qho khoom siv rov ua dua tshiab (polyethylene, polypropylene).
(3) Cov xim yuav tsum tsis sib xws nrog tsis muaj xim sib txawv. Sab nrauv yuav tsum du thiab muag heev nyob rau hauv ob qho tib si tsos thiab kov. Lub ntug sab nrauv yuav tsum zoo zoo tsis muaj burrs. Cov font ntawm lub kaus mom yeeb nkab yuav tsum yog qhov tseeb, tseem ceeb, thiab pom.
