| 摘要 |
PURPOSE: An apparatus for producing stress on surfaces is provided to use a surface as a component of a product and a component of a structure. CONSTITUTION: An apparatus for producing stress on surfaces includes a service assembly and a washing assembly. At least one service assembly and washing assembly are included. The service assembly(201) includes at least one unit for scuffing a surface and at least one unit for coating dust on a surface. The washing assembly(301) arbitrarily includes at least one scrubber and at least one burnisher. |
