Practical Action Publishing
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The Harnessing of Draught Animals
Despite efforts to increase the level of mechanisation, animals remain an important existing or potential source of power in rural areas of developing countries, primarily in agriculture and transport, but also for water pumping, forestry, road construction, etc. This book details the most common me...
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Harvesting and Threshing
This manageable guide sets out to answer what harvesting and threshing equipment is available, what are the main characteristics of types of equipment and where can you go for more information and supply.
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The Hidden Energy Crisis
Billions of people worldwide are without access to clean, modern energy, which leads to drudgery, ill health and sometimes death. Although a lack of adequate energy affects people's health and well-being, as well as their productive and educational capacities, addressing this deficit is a low priori...
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Hill Irrigation
Mountain agriculture has attracted attention both for its complex adaptation to particular circumstances, and for its marginality and instability in a changing world. Irrigation plays a range of roles in mountain farming systems and their dynamics or change. Hill Irrigation examines the environmenta...
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Hometown Associations
This book focuses on the Nigerian hometown association (HTA). HTAs are based on ties of kinship and ancestry, but are products of migrations and urbanization and are therefore of contemporary vintage. Associational life was, and remains, an important part of Nigerian social structure, and hometown a...
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Horse Healthcare
This manual is designed for those who care for working horses but who may have little or no access to professional veterinary help. By guiding readers to the appropriate action to take when caring for a sick animal, this book will help alleviate the suffering of horses, donkeys and mules and thereby...
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Hot-dip Galvanizing
The demand for more durable fasteners to extend the life of equipment such as fishing vessels makes this illustrated introduction to hot-dip galvanizing an invaluable addition to the bookshelves of works managers, engineers, government officials and field project officers. Hot-dip galvanizing is...
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Housing without Houses
This book presents a wide range of innovative ideas and practical methods for housing, together with illustrative examples and actual projects. Its methods are targeted to housing production in places where resources are scarce, demand is high, urgency is acute, and where change and uncertainty are...
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How Africa Works
Occupational change is generally assumed to accompany ‘development’ and to be a necessary part of achieving improved standards of living. But occupational change goes beyond individuals’ economic activities and income-earning to redefine their social identity and contribute fundamentally to the reco...
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How to Build a Cretan Sail Windpump
This windpump design was adapted from a series of low-lift windmills developed in Ethiopia. A very successful windpump which when scientifically tested pumped nearly twice as much water as the original design. Contains constructional details and plans.