Nleba anya nke ngwaahịa
Ekpuchiri ntụ ntụ, akụkụ dị nro ma dị nro na-emetụ aka.
Ọ dị mfe ịrụ ọrụ na ịwụnye.
PVC kpuchie, chekwaa ego nkwụnye ego ma e jiri ya tụnyere PPA.
Ahụ belt nke kpuchiri ekpuchi PVC nwere ike inye nchebe n'akụkụ ma zere mmebi nke metal-na-metal.
E jiri ya tụnyere imecha mkpuchi epoxy, dị arọ ma dị nro, na-enyere aka ichekwa ihe ejikọtara.
Ike nkwụsịtụ siri ike;Nguzogide corrosion;Iguzogide ihu igwe;Nnukwu acid na-eguzogide;Okpomọkụ kwụsiri ike;Enweghị magnetik