{TAIL ~ The operation} of {HEAD ~ the controller} 140 will now be described with reference to FIGS 1 through 3 
{ TAIL ~ The operation } of { HEAD ~ the controller } 140 will now be described with reference to FIGS 1 through 3
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH