A na-akpọkwa IBOP, ihe na-egbochi ime ihe mgbochi n'ime draịva elu, nke a na-akpọkwa oke mbanye. N'ịgba mmanụ na gas, ịfụ ọkụ bụ ihe mberede nke ndị mmadụ na-achọghị ịhụ na ihe ọ bụla na-egwupụta ihe. N'ihi na ọ na-etinye nchebe onwe onye na nke ihe onwunwe nke ndị ọrụ na-egwu ala n'ihe egwu ma na-ebute mmetọ gburugburu ebe obibi. Ọtụtụ mgbe, a ga-esi n'elu isi mmiri wụpụ mmiri nwere nrụgide (mmiri ma ọ bụ gas), karịsịa gas nwere apịtị na ajịrịja nkume, n'ọ̀tụ̀tụ̀ dị elu nke ukwuu, na-eme ka ọnọdụ jọgburu onwe ya nke ọkụ ọkụ na-ebigbọ. Ihe kpatara ihe mberede ahụ na-abịa site na mmiri dị n'etiti akwa nkume dị n'okpuru ala,