Imifuka yo gupfunyikamo ikawa ya PE ishobora kongera gukoreshwa, ikoresheje WIPF gaze valve yatumijwe iturutse mu Busuwisi, zipu yatumijwe iturutse mu Buyapani, igishushanyo mbonera cyo hejuru gisobanutse, ishobora gutanga icyemezo cy'uko umuntu agomba kurengera ibidukikije, kanda kugirango uduhamagare.
Ibisobanuro birambuye ku gicuruzwa
Amahitamo y'ingano
Guhitamo ibikoresho
Amahitamo yihariye