资源 标记: Design & Construction
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1951-01-01 The purpose of this book is to provide a practical working manual and guide for poultrymen keeping layers in indiviual cages in relatively open house.
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For planners and manufacturers: detailed technical information on the design and manufacture of vehicles which can be produced locally and can compete with capital-intensive technologies originating from industrialized countries.
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1988-01-01 The Village Technology Handbook has been an important tool for development workers and do-it-yourselfers for years. First published in 1963 under the auspices of the U.S. Agency for International Development, the Handbook has gone through eight major printings. Versions in French and Spanish, as...
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2004-01-01 This Agrodok deals with the possibilities applicable to protect horticultural crops against unfavorable climatic conditions. It fits with the worldwide expansion of tunnels and greehouses covered with plastic foils during the last two or three decades.
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1978-01-01 This publication gives directions on building low-technology farming and homesteading structures such as smokehouses and springhouses and more.
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Properly constructed and operated brick kilns are without doubt one of the most effective methods of charcoal production. They have proved themselves over decades of use to be low in capital cost, moderate in labour requirements and capable of giving surprisingly good yields of quality charcoal...
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1977-01-01 The text on the following pages provides data compiled by various investigators on the amount of energy available from S-rotors at various wind speeds. The author feels the potential rotor builder should use these data carefully to see if an S-rotor can meet his needs--before he begins the...
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1980-01-01 Improved use of water as a power source has potential for much of the developing world. There are few places where water is not available in quantities sufficient for power generation. Almost any flowing water--river, brook, or outlet of a lake or pona--can be put to work and will provide a...
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1988-01-01 Ferrocement is a building material composed of a relatively thin layer of concrete, covering such reinforcing material as steel wire mesh. Because the building techniques are simple enough to be done by unskilled labor, ferrocement is an attractive construction method in areas where labor costs...
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1985-01-01 Every low-cost housing project seeks to build the most durable house at the lowest cost possible. Emphasis is always given to the maximum use of locally available materials, such as adobe. Common adobe, as it has been known for centuries, is simply a soil mixture with a clay content of at least...