Umbhobho wensimbi engenasici ngumgca ongenanto wentsimbi ejikelezayo, esetyenziswa ngokubanzi kwipetroleum, imichiza, unyango, ukutya, imboni yokukhanya, isixhobo soomatshini kunye neminye imibhobho yoshishino kunye nenxalenye yesakhiwo soomatshini.Ukongeza, ukugoba okufanayo, amandla e-torsional, ubunzima obulula, ngoko ke ikwasetyenziswa ngokubanzi kumacandelo oomatshini kunye nezakhiwo zobunjineli.Ikwasetyenziswa ngokuqhelekileyo njengefenitshala kunye nempahla yasekhitshini.