Bøker av David Harries

This guide will greatly improve the success rate of solar energy projects in remote communities in developing countries, drawing on the authors' own case studies to generate comprehensive, step-by-step procedures that replicate proven real-life strategies.

This guide is designed to help skilled blacksmiths who have little or no teaching experience to train others in forge work techniques, using easily obtainable equipment and scrap metal to produce tools such as hoes, sickles, hammers and axes.