More than eleven million people rely on small-scale mining for their livelihood and it often provides an out of season alternative to agriculture. However, mining is destructive to our planet and is often labour intensive, leading to adverse health impacts. The development of better technologies and safer, more environmentally sound practices will make a real difference to miners lives.
Cómo construir y usar una retorta simple para la separación del oro y mercurio de una
Edmund Bugnosen, Published by Practical Action, Latin America on 2016/01/20