linear firefighter helmet icon from alert outline collection. thin line firefighter helmet on white background.

firefighter helmet line icon vector fire firemen firefighting fireman firefightercross firedepartment fireextinguisher outline linear stroke thin firealarm fireaxe firecloth firehydrant firestation firefightershelmet firehouse firemencuttertool fireproof firetruck firefightingsystem fireplug firehose hat department cross sign badge emblem protection man emergency equipment maltese rescue service uniform art fighter danger safety clip