Ibicuruzwa

Imirongo imwe ya silindrike ya roller ifite akazu kagizwe na silindrike yazengurutswe hagati yimpeta ikomeye ninyuma. Ibi byuma bifite urwego rwo hejuru rwo gukomera, rushobora gushyigikira imizigo iremereye kandi ikwiranye n'umuvuduko mwinshi. Impeta y'imbere n'inyuma irashobora gushyirwaho ukwayo, bigatuma kwishyiriraho no gukuraho inzira yoroshye.

Impeta y'inyuma ya NUP ifite silindrike ifite imbavu ebyiri zihamye, mugihe impeta y'imbere ya silindrike ifite imbavu imwe ihamye n'urubavu rumwe rudakabije. Ibi bivuze ko gutwara NUP silindrike ishoboye gutondekanya igiti mu byerekezo byombi.