Abashitsi bashya
Isosiyete izobereye mu gukora imipira yimbitse ya ruhago, ibyuma bifata ibyuma bifata imashini, ibyuma bizunguruka, ibyuma bya silindrique, imipira ihuza imipira, imipira ifatika, ibyuma bisunika, kwishyiriraho imipira hamwe n’ibindi bikoresho.