Non-metallic drainage materials, namely, modular drainage cells made of polypropylene pellets for subsurface drainage, roof gardens, plaza decks, concealed drains, and sports fields; articles for stabilizing turf, grass, soil, sand, gravel or stone aggregates, namely, geotextiles for the purposes of stabilizing inclines, re-cultivation, plant support, absorption, filtration, separation, stabilization and reinforcement of soil; non-metallic articles for slope stabilization and erosion control,...

Metallic or non-metallic interlocking modules that function as sub-surface drainage systems, underground water retention, percolation tanks, and industrial products including but not restricted to insulation panels, storage systems, and tables