[TheJogdredge] has been testing out his new gold washing machines that he made at home. By running dirt laced with rocks through this trommel, gold and precious materials can be filtered out. A video ...

Cuban authorities found a man illegally operating a homemade gold-processing machine on his farm in Las Tunas province, reported CubaHeadlines. Police found the man using a homemade trommel, a basic ...