ngwaahịa

1. A na-eji eriri polyethylene dị elu na-eme ka ụgbụ azụ na-egbuke egbuke dị ka ihe eji eme ihe ma nwee ezigbo nguzogide corrosion.Ọ na-agbaji ma na-agbaji na okpomọkụ nke mwepu 30° ruo 50°.Nkezi ndụ ọrụ abụghị ihe na-erughị afọ 5.A na - ejikwa ya dịtụ na myylon eri, ma kegide ya na ọ dị arọ na mmiri.Ọ bụ ihe a na-adịghị ahụ anya na mmiri, nwere ezigbo nro na ike siri ike, nwere ike dị elu na ike mkpakọ, ọ dịghị mfe ịgbaji, ma nwee ezigbo ịdịte aka.Abrasive, ogologo ndụ ọrụ, karịa inogide.
2. Ngwa nke ụgbụ nke okpukpu atọ bụ ụkpụrụ na-arụ ọrụ: mgbe azụ na-agafe na ụgbụ azụ, a na-ejikọta ụgbụ dị n'etiti nkuku ahụ ma gbanye ya site na nnukwu anya (uwe) n'otu akụkụ.N'ụzọ dị otú a, a na-ejide ya site na akpa ụgbụ nke nnukwu ntupu anya na obere ntupu anya kpụrụ.Ụgbụ a nwere okpukpu atọ bụ akpa ụgbụ nke jaket dị n'èzí na ụgbụ dị n'etiti kpụrụ, ka o wee nwee ike ijide azụ ndị hà nhata ma ọ bụ buru ibu karịa ntupu.
3. Ozugbo azụ na-egwu mmiri n'ụgbụ, n'ihi akpịrịkpa dị ya n'ahụ, isi ya na ahụ ya ga-adaba na ntupu.Ka ọ na-agbasi mbọ ike, otú ahụ ka ọ na-esikwu ike.Ọ fọrọ nke nta ka ọ gaghị ekwe omume ịgbapụ.Mgbe azụ ahụ metụrụ ụgbụ ahụ, ọ ga-agbasi mbọ ike na ebumpụta ụwa, na-akpata ọdụ azụ., ntù ma ọ bụ ngịga na-ekekọta n'ime waya a kpara akpa, na-egbochi azụ ahụ ịkwagharị.
4. Enwere nkọwa dị iche iche nke eriri waya maka ire ere, na nha nha, ogologo na obosara nwere ike ịhazi ya.(Mkpịsị aka 2 nwere ike ịrapara ihe dị ka taels 7 nke azụ. Mkpịsị aka 2.5 nwere ike ịrapara ihe dị ka paụnd na ọkara. Mkpịsị aka 3 nwere ike ịrapara abụọ na abụọ na ọkara pound. Ntupu, 3 na-ezo aka na 6 cm, na ndị ọzọ.)