{TAIL ~ Such sensing devices} may, for example, detect the acceleration, speed or {HEAD ~ position} of the piston of such a system relative to the corresponding cylinder, for example 
{ TAIL ~ Such sensing devices } may , for example , detect the acceleration , speed or { HEAD ~ position } of the piston of such a system relative to the corresponding cylinder , for example
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH