alert atomic background black bomb burst caution circle danger dangerous death design destruction energy fallout free graphic gray grey grunge grungy hazard hazardous icon image nuclear pattern pictogram pictograph picture pollution power radiation radioactive ray rays round sign somadjinn starburst stock symbol texture vintage warn warning waste white worn yellow angles arm basket cherry-picker electricity elevated elevation equipment external Harness height heights high hydraulics insulators lifting machinery on-high perspectives power-lines power-pole raised raised-platform raising repair-crew replace replacement replacing risks risky safety safety-harness service trucks up-high vehicles work workman workmen active boil chloride condensation crater dormant earth explosion fart fire fog foul fumarole fumes gas geologic geology geothermal ground heat hot hydrogen Italy landscape minerals mountain naples napoli nature Neaples odor Pozzuoli rock smell smelly smoke steam stink stinking stone sulfur sulphur view volcanic volcanism volcano bilingual board cliff close close-up closeup english erosion fall falling french green information message object photo photograph post red resource signage signal slip slippery slipping trip tripping UP arson box cigarette ignite light match matches Matchstick sticks wood wooden astronomy comet doom fast portent shooting space speed stars universe velocity brown cob cross cross spider cross-spider insect octopus shape spider zoom communication drown info lake pond signs water broken deracinated disruption fallen forest powerful storm tree trees uprooted wind communicate emergency emergency exit escape exit fire escape
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