Dutanga ibikoresho byinshi, harimo ibishishwa bya galvanis, ibishushanyo bisize irangi mbere, ibyuma byuma, aluminium zin, ibishishwa bya aluminium ect.
Igiciro cyibikoresho cyagiye kigabanuka kuva kera:
Nyuma yumwaka mushya w'Ubushinwa, igiciro cyatangiye kugabanuka
Twohereje ibikoresho mubihugu byinshi, kandi ibitekerezo nibyiza cyane.
Turatanga kandi uburyo burambye bwo gushimangira no gupakira kuburyo bukurikira:
Niba ufite deamand, nyamuneka twandikire, kandi tuzagusubiramo igiciro cyiza.