Ni ubuhe bwoko busanzwe hamwe nibisobanuro bya U-imisumari?
Imisumari ya U, izwi kandi nka imisumari ya turf, ikoreshwa mukurinda ibihimbano cyangwa inyubako. Imiterere irashobora kugabanywamo ubwoko bune: umutwe wa kare, umutwe uzengurutse, G-umutwe, hamwe n imisumari ya turf; Ibikoresho birimo insinga zikonje zikonje, insinga ya galvanis, galv ...
reba ibisobanuro birambuye