April 2011 - Norway-based Hydro Aluminum Rolled Products, the third-largest integrated aluminum supplier in the world, has selected Butech Bliss, Salem, Ohio, for the design and engineering of a scrap chopper for installation at the Hydro facility. Butech Bliss will deliver the scrap chopper in the second quarter of 2011. The company’s scrap choppers cut a range of scrap thicknesses without the need to adjust knife gap.