Amagwiritsidwa ntchito mwaukadaulo kupanga maburashi athyathyathya, maburashi a disc, ndi maburashi ozungulira. Chida ichi chili ndi zobowola zothamanga kwambiri komanso ziwiri zopatsira tsitsi. Ikhoza kutulutsa mitundu iwiri. Pakali pano ndiye makina osinthira tsitsi a 2-axis othamanga kwambiri komanso okhazikika.