Such amounts are dependent on other variables, and may be varied as desired by using {TAIL ~ the input device} of {HEAD ~ the controller} 
Such amounts are dependent on other variables , and may be varied as desired by using { TAIL ~ the input device } of { HEAD ~ the controller }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD