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