A plug launching device 1, wherein {HEAD ~ said upper section} and said lower section are generally cylindrical and said lower section is telescopically movable with {TAIL ~ respect} to said upper section  
A plug launching device 1 , wherein { HEAD ~ said upper section } and said lower section are generally cylindrical and said lower section is telescopically movable with { TAIL ~ respect } to said upper section
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 TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH