bucket wheel excavator digs and loads the hot briquetted iron

big briquette briquetted briquetting bucket circle concentration detail dig digs dump equipment excavation excavator factory ferriferous ferrous ferruginous haze heap hot industrial industry iron ironbearing large load loads machine machinery manufacture material metal metallurgical metallurgy mining ore outdoors overburden piece pile plant processing production rotor semifinished stack steel storage technology transport transporter vehicle wheel work