... Separable machine body, very popular in stone/marble/granite industry.3. Stable stepper motor and driver motor4. ... Materials: Non-metal materials such as stone, marble, granite, gravestone, tombstone, acrylic, glass, ceramics, wood, bamboo .double colored ... boards, paper, and leather. Etc.Applicable Industries: Monument(tombstone/gravestone) industry, model industry (construction models, aviation and ...