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Mining and Mineral Industries

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.

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Construcción y Uso de Una Retorta Simple

Cómo construir y usar una retorta simple para la separación del oro y mercurio de una amalgama.

Edmund Bugnosen, Published on 2007

Gypsum Processing

Gypsum is used as a building material, making writing chalk, as a soil conditioner and to make moulds for pottery.

Otto Ruskulis, Published by Appropriate Technology Journal on 1997

Uma Retorta Simples

Como fazer e usar uma simples retorta para separar amálgama de ouro-mercúrio

Edmund Bugnosen, Published on 2007

A Simple Retort

How to make and use a simple retort for separating gold-mercury amalgam.

Edmund Bugnosen, Published on 2007


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