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