Hom hnab yas.
(1) Cov hnab yas siab polyethylene siab.
(2) Tsawg siab polyethylene hnab yas.
(3) Polypropylene hnab yas.
(4) PVC hnab yas.
Kev siv lub hnab yas.
(1) Kev siv lub hnab yas polyethylene siab: A, ntim khoom noj: khoom qab zib, khoom qab zib, khoom ci, ncuav qab zib, mis nyuj hmoov, ntsev, tshuaj yej, thiab lwm yam; B, ntim cov fiber ntau: tsho, khaub ncaws, cov khoom siv xaws, cov khoom siv tshuaj fiber; C. Ntim cov khoom siv tshuaj txhua hnub.
(2) Kev siv cov hnab yas polyethylene uas tsis tshua muaj siab: A, hnab khib nyiab, hnab ntim cov kab mob; B. Hnab yooj yim, hnab yuav khoom, hnab ntim tes, hnab tsho khuam; C. Lub hnab tshiab; D. Hnab ntim sab hauv.
(3) Kev siv lub hnab yas polypropylene: feem ntau yog siv rau ntim cov ntawv, xaws khaub ncaws, khaub ncaws, tsho thiab lwm yam.
(4) PVC hnab yas siv: A, hnab ntim khoom plig;
