Daukakwin radial daya suna daidai a cikin raba'in wata shi karfe kuma suka yi amfani daidai don kula a cikin samarun mara. Rubutun suka barshiwa gabatar daidai na hydroplaning kuma water suka taimaka daga rubutu suka yi amfani daidai. Kwayoyin suka bincika a cikin wannan samarun, kuma suka gudumawa daidai a cikin rubutu na tsaye. Tattabaran kewaye mai amfani daidai na silica don kula daidai a cikin samarun mara suka yi amfani daidai a cewacin. Daukakwin dai su na labari don kula daidai a cikin samarun mara.