{TAIL ~ The invention} provides a method of forming a T shaped pipe or {HEAD ~ tube connecting section}, also referred to as a T connector, T junction or a T section 
{ TAIL ~ The invention } provides a method of forming a T shaped pipe or { HEAD ~ tube connecting section } , also referred to as a T connector , T junction or a T section
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH