{TAIL ~ The trunking} comprises an elongate channel member and {HEAD ~ an elongate cover member} dimensioned and arranged releasably to engage and close the channel member 
{ TAIL ~ The trunking } comprises an elongate channel member and { HEAD ~ an elongate cover member } dimensioned and arranged releasably to engage and close the channel member
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH