isitayela esikhombisa sentsha
            
            I-coil yensimbi engagqwali iyisithako esibonakalayo esisebenza ngezindlela eziningi futhi esibalulekile somkhiqizo wezimboni, esibonakala ngobude baso obuqhubekayo bezinto ezenziwe ngensimbi engagqwali ezigoqiwe zibe umumo oyindilinga. Lezi zinsimbi ezenziwe ngobuciko zenziwa ngezinqubo zokugaya eziphambili eziqinisekisa ukushuba okuqhubekayo, ukuqedela okuphezulu, kanye nezakhiwo ezivelele zomshini kulo lonke ubude. Ukwakheka kwezinto ezibonakalayo ngokuvamile kuhlanganisa i-chromium, i-nickel, nezinye izinto ezihlanganisa izinto ezifaka isandla ekumelaneni kwayo nokugqwala okuphawulekayo nokuqina. Njengoba zitholakala ngezinhlobo ezihlukahlukene, ububanzi nobukhulu, ama-coil ensimbi engagqwali asebenza ezindaweni eziningi zezimboni. Inqubo yokukhiqiza ihilela ukulawula ngokucophelela izinga lokushisa, ingcindezi nesivinini sokugoqa ukuze kutholakale izakhiwo ezifiselekayo zensimbi. Lezi zinsimbi zinezinto ezinhle kakhulu ezenza ukuba zikwazi ukuguqulwa, okwenza zilungele ukusetshenziswa kokubili ukusika okuqondile nokusebenza okuyinkimbinkimbi. Ikhwalithi yabo yendawo efanayo nokunemba kobukhulu kubenza balungele ikakhulukazi ukucutshungulwa okuzenzakalelayo nokukhiqizwa okuphezulu. Izici ezivamile zalesi sakhi zihlanganisa amandla okudonsa, ukumelana nokushisa, kanye nekhono lokugcina isakhiwo singaguquguquki ngaphansi kwezimo ezihlukahlukene zemvelo. Lezi zakhiwo zenza ama-coil entambo yensimbi engagqwali abe yinto ebalulekile ezimbonini ezisukela kwezimoto nasezindizeni kuya ekwakheni nasekukhiqizeni izimpahla zabathengi.