Push with a coal pusher. According to Sohu News Network, the coal pushing step refers to the process of pushing coal mines with a coal pusher. Coal pusher is a large-scale construction machinery and equipment, which is widely used in mines, thermal power plants and ports. The front end of the equipment is equipped with a special coal pusher, which can comprehensively carry out important work such as coal yard shaping, coal yard inventory and emergency coal supply during coal transfer.