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Engineer or refinery worker holding hardhat smoking at construction site outdoor with background of petroleum industry. Pipeline transport production line
Two young boys happily travel on rental electric scooter careless without helmets , wearing bright jackets, beanies, and big smiles. Carefree moment modern urban mobility casual youth adventure
beach sewer wastewater pipe in water sea enviroment nature protection damage pollution sea ocean concept, Wastewater pollution of sea ecosystem, danger of swimming in dirty sea water.
Bright red danger sign warns of falling rocks along scenic coast, danger emphasizing sudden hazards near cliffs, danger prompting cautious steps in public walkway by sea
Empty road with bilingual slippery warning sign in Troodos mountains, Cyprus
Landslides wiith rocks and soil block the highway due to heavy rainfall. Philippines.

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