JCB molunjika mkati mwamiyala 13.2 kutalika 38.5 Makina Omangamanga

Ndi kupita patsogolo kwa sayansi ndi ukadaulo, solenoid valavu imathandizanso kumasula. Coul yamakono ya sonornoid imagwiritsa ntchito ukadaulo wowonjezereka komanso zida zokongoletsera zabwino, zomwe sizingosintha mphamvu mphamvu yamagetsi, komanso imathandizira kutentha kwake kukana ndi kukana kwake. Kuphatikiza apo, kuphatikiza kwa ukadaulo wowongolera wanzeru kumapangitsa kuti coil the solenoid kukwaniritsa zolondola komanso kuwunikira zakutali. Zosintha zaukadaulo izi sizimangowonjezera magawo a solenod