Mkpọtụ dị ala, na-eme ka ebe obibi ọrụ dịkwuo mma maka gburugburu ebe obibi. Ngwakọta nke nwere ogbo abụọ na-arụ ọrụ n'ọsọ dị ala, yana ebe nchekwa ụda nke kpuchiri kpamkpam, mkpọtụ ọrụ dị ala dịka decibel 68-72, na-ewepụ mkpọtụ siri ike ma na-eme ka nkasi obi ọrụ ka mma.
Ọkụ gas nwere ikike buru ibu iji gboo mkpa gas etiti. Site na oke mbugharị gas nke 5-100 m³/min, ọ dabara adaba karịsịa maka ọkọnọ gas etiti na ụlọ ọrụ mmepụta ihe, nnukwu ụlọ ọrụ mmepụta ihe, na ọnọdụ oriri gas dị elu dịka ákwà, ngwa eletrọnịkị, na kemịkalụ.
