Yog tias koj tsis yog tus kws tshaj lij, koj tuaj yeem pom △ kos npe. Cov lej sab hauv sawv cev rau cov khoom tseem ceeb ntawm cov ntim yas. Yog tsis muaj daim ntawv lo, tsis muaj txoj kev.
Cov cim kev rov ua dua tshiab ntawm cov khoom ntim yas muaj cov duab kos, cov lej yas thiab cov ntawv luv. Daim duab yog daim duab peb sab sib npaug nrog peb tus xub, sawv cev rau cov khoom siv ntawm cov yas; Yas code yog 0 thiab Arabic tus lej lej ua ke ntawm tus lej, nyob hauv nruab nrab ntawm daim duab, feem ntau sawv cev rau cov yas sib txawv; Cov tsiaj ntawv luv luv yog nyob hauv qab daim duab.
Yas lub npe code thiab coj mus abbreviated code
Polyester 01 PET
High density polyethylene 02 HDPE
PVC 03 TSI
Tsawg ceev polyethylene 04 LDPE
Polypropylene 05 PP
Polystyrene 06 PS
Lwm yam Plastics code 07 Lwm tus
