Streptococcus Thermophilus is used as a starter culture for yogurt and in milk production. This bacterium is unique for its ability to break down casein, a protein found in cheese. By breaking down this protein into smaller chains of peptides and amino acids, S. Thermophilus can have an effect on the flavor and texture profile of different cheeses.
Metal: 1  Steel or aluminum shingles: $265 to $375 per roofing square. 2  Corrugated steel panels: $120 to $150 per roofing square. 3  Stone-coated steel: $350 to $425 per roofing square.  Standing seam: $400 to $600 per roofing 1  square. Copper or zinc roofing: $700 to $900 per roofing square.
1 Do-it-yourself materials to install an asphalt shingle roof on an average one-story ranch-style home (with a gently sloping roof of 1,700-2,100 square feet) can run $680-$3,700, depending on the quality of the materials. The cost of re-roofing your home will depend in part on its shape and size. 2  BobVila.com provides a description of the basic roofing process and illustrates standard roofing terms such as gabled or hipped. . 3  The National Roofing Contractors Association provides a homeowner's guide to buying a new roof.