Game 2 – D.I. Roof Seamers “90 Degree” Challenge – Sponsored by D.I. Roof Seamers and New Tech Machineryby Lismany Medinabuild with metal, construction, contractors, design & build, design and build, design and build professionals, METALCON, METALCON 101, METALCON Education, METALCON2014Posted on September 25, 2014April 23, 20220 comments