a construction worker walks casually while looking at his phone, completely oblivious to his surroundings. He strolls directly toward a large excavator that's actively digging just ahead of him. Warning cones and safety barriers surround the dangerous machinery, but he doesn't notice any of them. The excavator operator frantically waves and gestures from the cab trying to get his attention. Other workers nearby point and shout warnings with concerned expressions on their faces. someone lacking knowledge or awareness of obvious dangers around them