None of {TAIL ~ these three elements} are in contact with {HEAD ~ the test contact member} when the latter is in its rest position 
None of { TAIL ~ these three elements } are in contact with { HEAD ~ the test contact member } when the latter is in its rest position
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH