1) High weather eguzogide, elu corrosion eguzogide, ezigbo eyi iguzogide
2) Hight nchapụta na ike, ndụ ọrụ nwere ike iru ihe karịrị 25 afọ.
3) Dị ka ọ dabara na ụdị ọ bụla nke oghere anyanwụ
4) Iji oghere mee ihe nke ọma mgbe ọ na-emepụta ọkụ eletrik.
5) Usoro ahụ nwere nkwụsi ike siri ike na nkwa dị elu megide ifufe siri ike na nnukwu snow.
6) Elu na-eguzogide mmetọ ikuku, mmiri ozuzo acid, ụzarị ultraviolet, na ozone, na elu nwere ike ịnọgide na-enwe agba ya na-egbuke egbuke ruo ogologo oge.

