Ukukhusela ukuqhuma kwegesi, iindlela ezahlukeneyo ziyasetyenziswa, kuquka i-Flameproof (d), UKhuseleko olwandisiweyo (e), Ukhuseleko lwangaphakathi (i), Indawo ebiyelwe ngoxinzelelo (p), Encapsulation (m), Ukuntywiliselwa kweOyile (o), Ukugcwaliswa kweSanti (q), “n” Uhlobo (n / A, nR, nL, nZ, nC), kunye noKhuseleko oluKhethekileyo (s).
Ngokumalunga nokukhuselwa kokudubula kothuli, iindlela ziquka uKhuseleko lwangaphakathi (iaD okanye ibD), uKhuseleko olubiyelweyo (tD), Ukhuseleko lwe-Ecapsulation (mD), kunye noKhuseleko lweNdawo eXiniweyo ngoxinzelelo (pD).