HI I MAKE DRP and that to with chemical.I make any copper above 2 Kg metals. I can make up to 3.5rr and 12mr with Torch test and Watch,& Needle test. The rice will turn brown and black after taking in hands it will turn into dust in 15 seconds.u can wash with Water,Turmeric,Lemon power,,E,W,N,S,BOBBLES,REGIONAL RB.We are came to your palace and make any interested to mail me and your cell no i will call you or 08148961386. Warranty: 180 days.Thank you read the add----vikramyadaw366@gmail.com