Ishyamba hog cyangwa inyundo ni ubwoko bwimashini zikoreshwa cyane mubihingwa byimpapuro, imashini zogosha, imbuga yimbaho nibindi bicuruzwa bikomoka ku biti kugirango bigabanye ubunini bwibiti n'ibishishwa kugirango hategurwe inzira ikurikira. Igizwe ahanini namazu, shaft, rotor nibindi bikoresho. Inyundo zirimo inama nigice cyingenzi cyo kwambara kumashini kandi Sunwill irashobora kubaha amahitamo akurikira kubikoresho:
1, Amashanyarazi
2, Gukoresha ibyumahamwe na karbide yuzuye gusudira (ubuzima bwagutse)
Nyamuneka twandikire ibisobanuro birambuye niba bikenewe.