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