how to conduct the wash of golden sand tray
by Washing tray is a kind of art, simple, easily achievable. In exploratory work on placer gold washing of the samples, to determine the contents of the wood tray. Gold Cube is a light and portable gold prospecting concentrator, mini high banker, equipment, designed for high-grade gold-bearing materials at a fast rate. Gold washing is a tedious, painstaking process, and trays for washing the gold themselves.
