a handful of dry technological wood chips. waste from the woodworking industry, fuel and raw materials for heating solid fuel

wood shavings chips renewable resources recycling biomass woodworking waste hands holding ground timber tree sawdust zero scraps birch boiler brown business chip deforestation energy facility fuel heap huge industry logging mulch outside peeling pile power shredded woodchip yellow ecology environment material recycle shaving dust production carpenter beige cutting handful dry technological chips raw materials heating solid industrial boilers