This is achieved by using components that are subjected to pressure, pressing the elastically deformable sheet of metal against projections that are located at {HEAD ~ a height} corresponding to {TAIL ~ approximately half way} up the hub supports in the direction of the piston head  
corresponding to
This is achieved by using components that are subjected to pressure , pressing the elastically deformable sheet of metal against projections that are located at { HEAD ~ a height } corresponding to { TAIL ~ approximately half way } up the hub supports in the direction of the piston head
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH