120 Ụdị igbe ala

1 Ihe na-eme ka ọkụ na-ere ọkụ nke ụdị 120 nke igbe dị n'okpuru ebe a bụ akụ na ụba na nke bara uru, na-eme ka obi sie ike;

Iberibe aku siri ike 2 nke ejiri plastik kpuchie iji gbochie ikuku oxygen

Ihe 3 PVC gburugburu ebe obibi, nkwụsi ike dị mma, enweghị nkwekọrịta, acid na alkali na-eguzogide, nchekwa na gburugburu ebe obibi.

Nhazi ọkọlọtọ 4, nrụnye dị mfe, yana ịdị irè siri ike

5. Okpomọkụ na-eguzogide, ọkụ ọkụ, na mmetụta na-eguzogide