{HEAD ~ Said reservoir} comprises {TAIL ~ a ventilation circuit} provided with an end penetrating into the rear part of the reservoir and an end communicating with external air and arranged on the top front part of the iron 
comprises
{ HEAD ~ Said reservoir } comprises { TAIL ~ a ventilation circuit } provided with an end penetrating into the rear part of the reservoir and an end communicating with external air and arranged on the top front part of the iron
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