Practical action publishing dez 1988 (2 Ergebnisse)

Taschenbuch. Zustand: Neu. Neuware - Looking at inexpensive methods for water supply schemes in rural areas of developing countries, this book examines the suitable conditions and economic factors for different types of groundwater dam and describes planning and investigation methods.

Taschenbuch. Zustand: Neu. Neuware - A guide to good-quality thatching, describing in words and pictures how to achieve the maximum possible roof-life using either cultivated or naturally-occurring materials. Reviews the advantages and limitations of thatch as a roofing technique.