(1) Mmiri na-egbochi mmiri na mmiri.Ọ na-edozi nsogbu ahụ n'ụzọ doro anya na ngwaahịa osisi dị mfe ire ere, gbasaa na deform mgbe ọ gbasasịrị mmiri na gburugburu iru mmiri na mmiri, enwere ike iji ya na gburugburu ebe a na-apụghị iji ngwaahịa osisi ọdịnala mee ihe.
Ngwaahịa plastik osisi
(2) Ndị na-achịkwa ụmụ ahụhụ, na-ewepụ nsogbu nke pests nke ọma, na-agbatị ndụ ọrụ.
(3) Ọ na-acha ma nwee ọtụtụ agba ịhọrọ.Ọ bụghị naanị na ọ nwere osisi sitere n'okike na ụdị osisi, mana enwere ike ịhazi ya ka ọ dabara n'ụdị gị.
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(4) Nnukwu malleable, ị nwere ike nweta ụdị ahaziri onwe gị ngwa ngwa wee gosipụta ụdị nke gị nke ọma.
(5) Ezigbo enyi na gburugburu ebe obibi, anaghị emetọ ya, anaghị emetọ ya ma megharịa ya.Ngwaahịa ahụ enweghị benzene yana ọdịnaya formaldehyde bụ 0.2, nke dị ala karịa ọkwa ọkwa EO.A na-ekewa ya dị ka ọkọlọtọ nchedo gburugburu ebe obibi Europe.Enwere ike ịmegharị ya, nke na-echekwa oke osisi.Ọ dabara maka iwu mba nke mmepe mmepe, nke bara uru maka mmepe obodo.
(6) Kpọmkwem nwere nnukwu njirimara nguzogide ọkụ.Ọ nwere ike igbu oge ọkụ n'ụzọ dị irè, na ọkwa nkwụsị ọkụ ya ruru klas B1.Ọ bụrụ na ọkụ na-agba, ọ ga-emenyụ onwe ya ma ọ gaghị emepụta gas na-egbu egbu.
(7) Arụ ọrụ nhazi dị mma, enwere ike ịde akwụkwọ, tụọ ya, ịkwọ, gwuo ya, na elu nwere ike ịse ya.
(8) Nrụnye dị mfe, ihe owuwu dị mma.Enweghị teknụzụ ihe owuwu dị mgbagwoju anya, chekwaa oge nrụnye na ọnụ ahịa.
(9) Enweghị mgbawa, enweghị mgbasawanye, enweghị nrụrụ, ọ dịghị mkpa maka nrụzi na mmezi, dị mfe dị ọcha, chekwaa ego nke nrụzi na mmezi.
(10) Mmetụta nnabata ụda dị mma, mmetụta nchekwa ike dị mma, nchekwa ike ime ụlọ ruo ihe karịrị 30%.
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