... to the human body . Wide Use in indoor or outdoor building glass,wall,wood,sheet,KT version,Acrylic version, metal or plastic ... 4/ Box Example of method way: 1. Acrylic transparent organic glass edition Use Carven machine to Engrave pattern slot On it ... cross the board, form the colored simple shine design. 3. Glass,sheet,board , metal, plastic Use glue (502, epoxy glue, silica ...