... the nonmetal art crafts, gifts and the engraving of bamboo products. The mechanical structure is strong and stable, ... such as acrylic, double color board, Plexiglas,Common glass, bamboo and wood, rubber, marble, granite and tiles, leather ... industry, Billboards, artistic gifts, crystal ornaments, paper-cut, bambooand wooden product, garment and leather, embroidery, decoration and upholster industry. ...