Therefore, {HEAD ~ the timing circuit} 39 also generates {TAIL ~ a timing reset signal} to the control circuit 38 to initiate the machine cycle 
Therefore , { HEAD ~ the timing circuit } 39 also generates { TAIL ~ a timing reset signal } to the control circuit 38 to initiate the machine cycle
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH