(57) Abstract Objective At the time of fluxing with supurehurakusa,The flux scattering around hurakusa, polluting aroundIt prevents. Constitution The hula which becomes fog condition in the vicinity of the flux gushing sectionTo provide the outlet where it is possible to absorb tsukusu, said gushing sectionWith enclosing the outlet with the shield, the flux of the fog condition which gushesTry not to scatter outside.
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