Ibi bikoresho byo guteka birahagije kubantu bose bateka murugo bashaka uburyo bwiza kandi burambye bwibikoresho bizajya bimara imyaka iri imbere.Iseti ikozwe mubyuma biremereye cyane bidafite ibyuma, byemeza ko yubatswe kugirango ihangane nikigeragezo cyigihe kandi ntigishobora gutobora cyangwa kurigita byoroshye.Iseti izana nibintu byose ukeneye guteka amafunguro atandukanye aryoshye kandi arimo inkono, amasafuriya. , n'ibikoresho.