{HEAD ~ A duct joint assembly} 9 comprising a plurality of neck portions, and {TAIL ~ a plurality} of retaining clips each mounted around a respective one of said neck portions 
comprising
{ HEAD ~ A duct joint assembly } 9 comprising a plurality of neck portions , and { TAIL ~ a plurality } of retaining clips each mounted around a respective one of said neck portions
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH