Epoxy coal pitch bụ mkpuchi na-arụ ọrụ dị elu nke a na-ejikarị eme ihe na ihe owuwu, injinia okporo ụzọ, ihe asphalt na ubi ndị ọzọ.Ọ nwere ezigbo nguzogide ihu igwe, nguzogide ịka nká na nkwụsi ike kemịkalụ, na-eme ka ọ bụrụ ezigbo nhọrọ maka ọtụtụ ọrụ injinia.Na mbụ, ...
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