Ntchito ziwiri - zosindikizidwa komanso zosagwirizana ndi fumbi zonse m'modzi.
Malo ocheperako amakwaniritsa kupezeka kotetezeka komanso kumaliza kwambiri.
Kapangidwe kosavuta, luso lopanga bwino.
Mtundu wa EM piston rod seal / fumbi mphete itha kugwiritsidwanso ntchito mumpweya wowuma / wopanda mafuta mutatha kuyatsidwa koyambirira chifukwa cha geometry yapadera ya chisindikizo ndi milomo yafumbi kuphatikiza zinthu zapadera.
Chifukwa cha magwiridwe antchito kukhathamiritsa kwa milomo kusintha ntchito yake yosalala kuthamanga.
Monga zigawozo zimapangidwa ndi chinthu chimodzi cha polima, palibe dzimbiri.