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