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(2) yamukele isakhiwo se-piston design sokwemba okuntantayo Ingcindezi kawoyela igcina kuphela ingcindezi yesistimu ye-12 MPA . Lesi sakhiwo sokuklama sinciphisa ukucindezelwa kwe-oyili, kodwa kunciphisa amandla okulondolozwa kwamandla, kepha futhi kusiza ekufakweni kohlelo lwe-hydraulic .
