{HEAD ~ The iron} is characterised in that said ventilation circuit comprises {TAIL ~ a pipe} which has a small cross section, is introduced into the rear part of the reservoir and is extended by a hollow end element whose cross section is greater and which extends downwards and is provided with an opening in the lower part thereof 
comprises
{ HEAD ~ The iron } is characterised in that said ventilation circuit comprises { TAIL ~ a pipe } which has a small cross section , is introduced into the rear part of the reservoir and is extended by a hollow end element whose cross section is greater and which extends downwards and is provided with an opening in the lower part thereof
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH