Okunezinga Lokuphepha Eliphezulu, I-Flameproof noma Ukuphepha Okunyusiwe

Isigaba esingashisi siqashelwa ngezinga laso eliphezulu lokuphepha.

Uma kuqhathaniswa nokuphepha kwamadivayisi angaqhumi, Imishini engaqhumi iqhosha ngezinga eliphakeme lokuphepha futhi ithokozela ukusetshenziswa okubanzi.