- Yas ntsaws ruaj ruaj;
-Plastic rwb thaiv tsev qhov, yas yas qhov chaw ntawm cov cav tov thiab seev;
-Plastic fittings ntawm rooj tog, tsheb thauj khoom lossis cov khoom zoo sib xws, thiab lwm yam;
-Plastic lub taub hau pob ntseg pob ntseg;
- Cov khoom yas rau cov khoom siv hluav taws xob;
- Cov khoom yas rau teeb, cov yas rau cov khoom siv teeb pom kev zoo.