Umboniso weFektri

Sineefektri ezininzi zobungcali, amandla emveliso yonyaka yenkampani angaphezu kwezigidi ezingama-60 zeetoni, iimveliso zithunyelwa kumazwe angaphezu kwama-50 kwihlabathi liphela. Wamkelekile ukuba utsalele umnxeba kwaye ubuze. Silangazelela ukusebenzisana nani.