Person in protective green suit and mask respirator checks level of radiation. Yellow danger sign in radioactive zone. Nuclear weapons, atomic apocalypse. Geiger counter in hand
Man in fire suit in field. Clip. Firefighter puts up sign about danger zone in infection meta. Place of infection after disaster with
Asian female researcher in protective suit checking pollution level in danger zone, taking off goggles and looking at data on tablet pc, analyzing contamination and aftermath for nature.
Black hair engineer looking huge modern production industrial warehouse roof. Cheerful special afro american supervisor thinking about storage logistics project work. Joyful man wearing helmet.