Non-metal building materials, namely, interlocking sheets made primarily of fiber reinforced and unreinforced plastic for use as a temporary ground and floor cover; compression molded non-metal products, namely, interlocking sheets made primarily of fiber reinforced and unreinforced plastic for use as a temporary ground and floor cover; molded non-metal products, namely, interlocking sheets made primarily of fiber reinforced and unreinforced plastic for use as a temporary ground and floor cov...