Canada, Smoke from chimney in wood pulp mill.

Bolivia, Potosi, Polluted river with industrial waste from Silver Mines.

Industry, Machinery, Components, Three brass metal lathe turned ball bearings on a white background

Industry, Machinery, Components, Three brass metal lathe turned ball bearings on a white background

Industry, Machinery, Components, Three brass metal lathe turned ball bearings on a white background

Industry, Machinery, Components, Three brass metal lathe turned ball bearings on a white background.

Industry, Machinery, Components, Brass metal lathe turned ball bearings arranged in a hexagon shape on a white background.

Industry, Machinery, Components, Brass metal lathe turned ball bearings.

Industry, Machinery, Components, Brass metal lathe turned ball bearings.

Industry, Machinery, Components, Brass metal lathe turned ball bearings.

Industry, Machinery, Components, Brass metal lathe turned ball bearings.

Industry, Machinery, Components, Brass metal lathe turned ball bearings.