77547241
Aug 14, 2008
Nov 17, 2009
Construction materials, namely, plastic erosion control and protection blocks, sheets, mats and webbing for use in constructing roadways, airstrips, driveways, railroads, trailways, parking lots, floors, patios, paddocks, boat ramps, greenhouse shelving, hillsides, ramps, and dam spillways, and for ground and soil stabilization, erosion prevention, and turf protection
Nonmetallic Building Materials