[zogulitsa sabata ino] European 125mm castor mafakitale, Blue Elastic Rubber, yonyamula mpira

Ma castors a mphira ndi ma castors opangidwa ndi zinthu zotanuka kwambiri za polima zopindika m'mbuyo. Amakhala ndi kukana kwamphamvu kwambiri komanso kukana kwamphamvu, ndipo amagwiritsidwa ntchito kwambiri pazida zamafakitale.

Ma castor a mphira ali ndi kukana kwa okosijeni wabwino komanso kukana kwa dzimbiri, zomwe zimatha kukana zinthu zowononga m'mafakitale. Ma castor ndi ofewa ndipo amatha kuchepetsa phokoso lomwe likugwiritsidwa ntchito. Mpira umodzi wokhala ndi mpira umatenga mawonekedwe osakanikirana otsetsereka ndi kukangana kozungulira, ndipo rotor ndi stator zimayikidwa ndi mipira ndikukhala ndi mafuta opaka mafuta. Imagonjetsa mavuto a moyo waufupi wautumiki komanso kusakhazikika kwa ntchito yonyamula mafuta.