{HEAD ~ The housing} may have {TAIL ~ holes} to accommodate a pad that seats against the individual sensing lines 
{ HEAD ~ The housing } may have { TAIL ~ holes } to accommodate a pad that seats against the individual sensing lines
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH