Nkọwa dị mkpirikpi:

Ngwaahịa rọba na-eguzogide corrosion anyị, nke sitere na polyethylene nwere njupụta dị elu (HDPE) na polyvinyl chloride (PVC), bụ injinia maka arụmọrụ na-adịte aka na gburugburu ebe ọjọọ. Zuru oke maka ụlọ ọrụ dị ka ihe owuwu, mmiri na nhazi kemịkalụ, ngwaahịa ndị a na-enye nguzogide pụrụiche megide corrosion, kemịkalụ, na mmiri.

N'iji usoro ịkpụzi injection plastik dị elu, anyị na-enye azịza ziri ezi-engineered nke ahaziri maka mkpa gị. Ma ị chọrọ akụrụngwa omenala ma ọ bụ mmepụta buru ibu, ngwaahịa HDPE na PVC na-ebuga ma ntụkwasị obi yana ịdị irè. Tụkwasa anyị obi ka anyị wepụta akụkụ rọba dị elu nke na-eguzogide corrosion na-echebe itinye ego gị ma hụ na ịrụ ọrụ kacha mma.