warehouse for retail sale of coal to the population with a loading excavator of yellow color.trade in natural resources and minera

agriculture and background black bulldozer burning car cargo coal colortrade combustion construction daily dig digger dust ecology equipment excavation excavator extraction for fuel geology gold heating heavy industrial industry job loader loading machine machinery minera mineral minerals natural plow population power reserves resource resources retail road routine sale ship sorting stones strategic street technology tractor transportation truck vehicle warehouse wealth work yellow