The mounting means B carries a pipe coupling illustrated as {TAIL ~ a T member} 20 receiving compressed air through a line 21 through {HEAD ~ a solenoid valve} 22 from a suitable supply of compressed air designated at 23 
The mounting means B carries a pipe coupling illustrated as { TAIL ~ a T member } 20 receiving compressed air through a line 21 through { HEAD ~ a solenoid valve } 22 from a suitable supply of compressed air designated at 23
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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