Ma "castor" izwi rekuti "movable castor", rinosanganisira ma "movable castor", "fixed castor" uye "movable castor" ane mabhureki. Ma "movable castor", anozivikanwawo se "universal wheels", anotendera kutenderera kwemadigirii mazana matatu nemakumi matanhatu; "fixed castor" anonziwo ma "directional castor". Haana chimiro chinotenderera uye...
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