This sub-class includes recycling of metal waste and/or scrap. Units in this sub-class are primarily engaged in: •processing of metal waste and/or scrap into secondary raw materials, or a form which is readily transformed into new raw materials. This usually requires a biological, mechanical (e.g., cutting, pressing to reduce the volume) or chemical transformation process. •dismantling of automobiles, computers, televisions and other equipment for materials recovery •reclaiming metals out of photographic waste, e.g., fixer solution or photographic films and paper •separating and/or sorting of recoverable materials from non-hazardous waste stream or metal waste and/or scrap from garbage •separating and/or sorting of commingled recoverable metal waste and/or scrap into distinct categories like used aluminium beverage cans and/or metals