every day: 8 million underground mine workers 60 million people working on construction sites 90 million people on road vehicles 6 million people on the railway train 1 million people in the sky plane 40 million people on the city subway 700,000 people on the surface of the ship Safety production is facing unprecedented pressure!every day: ——8 million underground mine workers - 60 million people working on construction sites - 90 million people on road vehicles - 6 million people on the railway train - 1 million people in the sky plane - 40 million people on the city subway - 700,000 people on the surface of the ship Safety production is facing unprecedented pressure!