miner’s moss n.— «Metal grids and perforations weed out the rocks and large chunks of dirt, while black plastic ridges capture many of the heavy gold flakes. The runoff flows onto a jumble of what looks like plastic vermicelli. The so...
miner’s moss n.— «Metal grids and perforations weed out the rocks and large chunks of dirt, while black plastic ridges capture many of the heavy gold flakes. The runoff flows onto a jumble of what looks like plastic vermicelli. The so...
