{HEAD ~ The silencer} of FIG 1 has {TAIL ~ a pot} like housing 1 with a cylindrical pot casing 2 and with a pot bottom 3 
has
{ HEAD ~ The silencer } of FIG 1 has { TAIL ~ a pot } like housing 1 with a cylindrical pot casing 2 and with a pot bottom 3
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH