Ngwongwo njikọ nke yinye bụ ụgbụ ngere ejiri yinye njikọ ngere dị ka ntupu elu.
Ụgbụ njikọ yinye bụ ụdị ụgbụ a kpara akpa, nke a na-akpọkwa ngere njikọ njikọ. N'ozuzu, a na-agwọ ya na mkpuchi plastik maka mgbochi corrosion. A na-eji waya kpuchiri plastik mee ya. Enwere nhọrọ abụọ maka mkpuchi rọba, otu bụ PE Plastic wrapping, otu bụ PVC wrap plastic, eriri ime bụ nke eriri galvanized dị elu, a na-eji akwa plastik kpuchie elu ya, nke nwere ike igbochi waya nke dị n'ime ka ọ ghara imebi na nchara, na-agbatịkwu ndụ ọrụ nke ngere plastik ahụ. Aha sayensị nke PE bụ polyethylene, na aha sayensị nke PVC bụ polyvinyl chloride. PE nke PE nke mkpuchi yinye njikọ ngere nwere naanị ihe abụọ nke carbon na hydrogen, na ngere njikọ ejiri plastik kpuchie nke PVC nwere chlorine.
Atụmatụ:
Na-agbanwe agbanwe na adaba, ogologo nwere ike gbanwee aka ike dị ka ndị ahịa chọrọ; otu ntupu, ezigbo ntupu elu; agba ngwaahịa na-egbuke egbuke ma mara mma; esemokwu siri ike, nguzogide mmetụta siri ike; mgbochi ịka nká, nguzogide corrosion, ogologo ndụ ọrụ; nkọwa zuru oke, adịghị emetụta ngwa ngwa site n'ike ndị dị n'èzí Mmetụta Mmetụta, mmetụta siri ike na-eguzogide na elasticity.
Ihe owuwu na ntinye na saịtị na-agbanwe agbanwe, na ọdịdị na nha nwere ike gbanwee n'oge ọ bụla dị ka saịtị chọrọ.
Jiri:
A na-ejikarị ya eme ihe dị ka ụgbụ ngere ubi, dịka ụgbụ ámá egwuregwu, ụgbụ ngere stadium, wdg, ma na-ejikwa ọrụ ugbo.
