1. The extra-thin copper film wrapped diamond nanoparticles were prepared by using electroless plating method under the condition of tin chloride sensitization and palladium chloride activation.

2. The extra-thin electronics allows the design to follow the body shape closely like with normal fabric.

3. The extra-thin electronics allow the dress to follow the body shape closely like normal fabric.

4. The structure, constitute, working principle, and design feature of automatic welding system which pro- duces extra-thin, large diameter, long tube, and longitudinally or circle weld are introduced.

5. In comparison with ordinary bituminous concrete to seal the surface with dilute bitumen has the following features:(1) extra-thin thickness of structure.