The bubble forming apparatus 1, wherein {HEAD ~ a height adjustment device} is coupled with {TAIL ~ said infusing casing} and can be adjusted so as to vary height of said infusing casing 
is coupled with
The bubble forming apparatus 1 , wherein { HEAD ~ a height adjustment device } is coupled with { TAIL ~ said infusing casing } and can be adjusted so as to vary height of said infusing casing
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH