F ihuza ibice byambere byateye imbere kandi bikoreshwa cyane mubyuma bitarinda amazi.Ifite ibiranga ubunini buto, ubucucike buri hejuru, ingano yuzuye n'umubare wuzuye wa cores.Iki gicuruzwa gikoreshwa cyane cyane mubikorwa bya gisirikare, ibikoresho byuzuye, ibikoresho byabigenewe, gupima inganda nizindi nganda.Abakiriya bashishikajwe cyane nubunini bwayo nigihe cyo gutanga vuba.Urukurikirane F ni urutonde rwibicuruzwa isosiyete yacu ihora yohereza, kandi igihe cyo gutanga muri rusange kiri mubyumweru 2.