Artisanal mining Wikipedia
An artisanal miner or small scale miner (ASM) is a subsistence miner who is not officially . Artisanal mining can include activities as simple as panning for gold in rivers, to as complex as development of underground workings and small scale processing plants. In any of these circumstances, issues can stem from difficulties.
Manual for Training Artisanal and Small Scale Gold Miners IW:Learn
1. mercury pollution, 2. artisanal gold mining, 3. gold processing. .. Barmac has various sizes of crushers including small pilot plant type of machines that can.Live Chat