single continuous line drawing mask with glasses and air filters. defense and protection against poisoning by fumes and smoke.

abstract banner breath circle continuous contour curl drawing equipment fire firefighter firefighting fireman fume gas gasmask graphic hand line art logo mask monoline one outline poisoning precaution print profession professional protect protection protective respirator safe safety simplicity single sketch smoke swirl toxic urgency vector volunteer warning wear white background glasses air filters defense fumes smoke style dynamic draw design