Claw feet are accessories of freestanding cast iron bath tubs. Color of claw feet can be white, black, chrome, brushed nickel and oil rubbed bronze. Material of the feet is cast iron. The claw feet are in many different shapes and sizes.
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According to reports, the researchers covered a thin layer of liquid on plexiglass, which contains nanometer gold, silver, palladium and copper molecules. Their proportion is minimal, because one square centimeter can hold 20 to 30 billion molecules. The emulsion is baked on the plastic surface at a relatively low temperature to form a strong protective layer that can be firmly guarded against scratching. With this cover film, researchers plan to use it to prevent a variety of nicks. 
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