Iliphi Izinga Lobufakazi Bokuqhuma Eliphakeme Kakhulu, IA noma D

Incazelo ye-flameproof “d” ihambisana nesigaba se-EPL Gb, efanele kuphela izindawo zegesi Ezindaweni 1 futhi 2;

Uhlobo lobufakazi bokuqhuma	Uphawu lokuvikela ukuqhuma kwegesi
Uhlobo lokuphepha lwe-Intrinsic	ia,ib,ic
Uhlobo lwelangabi	d,db

Ukuqokwa kokuphepha kwangaphakathi “ia” ihlotshaniswa nezinga eliphezulu, EPL Ga, ukumboza izindawo zegesi Ezindaweni 0, 1, futhi 2;

Ngakho, Uhlobo lwezokuphepha lwe-Intrinsic lunikeza izinga eliphakeme lokuvikelwa kokuqhuma ngokuqhathaniswa nohlobo lwe-flameproof.