{HEAD ~ The space} provided between brush members 4 a and {TAIL ~ 4 b} allows a mounting strip to be included in the housing 
provided between
{ HEAD ~ The space } provided between brush members 4 a and { TAIL ~ 4 b } allows a mounting strip to be included in the housing
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH