OAK RIDGE - Nearly 200 high school students spent their day Thursday building towers and making asphalt at Y-12 National Security Complex. Actually, they built office supply towers and asphalt cookies ...
Shingles are ground into fine granules before being used to make asphalt pavement. Photo courtesy of Mike Ettner. B.R. Amon & Sons, Inc. and Rooftop Recycling, LLC, both of Elkhorn, WI, have teamed up ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback