a young worker use fog cannon to cure pollution in a steel plant. water and spray
a young worker use fog cannon to cure pollution in a steel plant. water and spray
a young worker use fog cannon to cure pollution in a steel plant. water and spray
a man spraying water on a machine
a black and white photo of a worker in a factory
a man in a protective suit spraying water in a factory
a man in a protective suit spraying water into the air