Here, the positioning of the operator control relative to the sensors is immaterial because {TAIL ~ the actuation} of {HEAD ~ the sensors} is effected, not directly by the finger, but by the magnet 
Here , the positioning of the operator control relative to the sensors is immaterial because { TAIL ~ the actuation } of { HEAD ~ the sensors } is effected , not directly by the finger , but by the magnet
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH