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Tumbler Printer Service is the process involves printing a design onto a special film using a printer with special ink. The film is then placed on the surface of water, and a special activator chemical is sprayed over it to dissolve the film and activate the ink. The object to be printed is then carefully dipped into the water, allowing the design to transfer onto it. This process is commonly used to decorate items such as car parts, sporting equipment, and even guns. It can also be used on a variety of materials including plastics, metals, and ceramics.