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447 items found (Showing 341 - 350) |

  1. Understanding Dairy Production In Developing Countries

    01-01-1985 The dairy industries in many industrialized countries have developed elaborate facilities in an effort to: (1) save labor, which is plentiful and inexpensive in most developing countries; (2) provide protection for both the cattle and their caretakers from cold in winter; and (3) provide...
    Dairy Dairy Farming VITA Downloads

  2. Understanding Dairy Goat Production

    01-01-1990 Goats are among the smallest domesticated ruminants and have served mankind longer than cattle or sheep. They thrive in arid, semitropical, or mountainous countries. More than 460 million goats in the world produce over 4.5 million tons of milk and 1.2 million tons of meat annually, besides...
    Goats dairy goats Dairy Goat Milking Livestock Development VITA Downloads

  3. Seeds, Weeds, and Pests

    This seed cleaner was developed in Afghanistan to remove round seeds of weeds from wheat grains. The round seeds could not be separated by a sieve because they were the same size as the wheat grains. The cleaner described here takes advantage of the round shape of the weed seeds to separate them...
    Seed Sources Seeds Weeds Weed Management Pests Pest Management VITA Downloads

  4. Understanding The Small-Scale Clay Products Enterprise

    01-01-1984 People discovered bow to use clay over 20,000 years ago. The basic principles of shaping, drying, and firing clay are still the same today as they were then. The only significant changes since the discovery of clay have been the identification of additional clay materials and improvements in the...
    Small Enterprise D... Small Enterprises Small Scale Clay Clay Processing Clay products VITA Downloads

  5. Understanding Clay Recognition And Processing

    01-01-1984 Clay occurs naturally almost everywhere in the world and is formed by the action of weathering on several kinds of rocks. This process takes many thousands of years, but it happens wherever the rocks are exposed to the natural forces of wind, water, frost, etc. The rocks change very slowly in...
    Clay Clay products Clay Processing VITA Downloads

  6. How To Make Bricks

    This describes how to make bricks from clay, water and other materials using a wooden or metal mould and how to build a kiln or pit and bake bricks in it. This has been adapted fromBrick Making, originally produced by the Research & Development Center at Central Luzon State University,...
    Building Materials Downloads

  7. How to Make a Skirt

    This book comprises a step-by-step guide to making skirts in three different styles: gathered, circle and maxi. Adapted from an article bywikiHowwith kind permission. This edition published in the United Kingdom in 2020 by MissionAssist.
    Handmade Clothing Downloads

  8. Concrete Construction

    01-01-1965 Concrete is a strong and inexpensive construction material when it is properly prepared and used. This introduction explains the importance of a good mixture and describes the materials used in the mixture. Following this are entries on: Calculating amounts of materials for concrete Mixing...
    Concrete Design & Construction Consruction VITA Downloads

  9. Small Ceramics Plant

    01-01-1988 The investment and labor force required for this plant are very small. The objects are decorated with the application of ceramic colors, engobes, and stains, all of which can be purchased initially in the United States, England, France, or Germany, and later fabricated by the potter. The local...
    Ceramic Small Scale VITA Downloads

  10. Understanding Small-Scale Bridge Building

    01-01-1990 Bridges are a part of the transportation system of a region. They are used to span an obstacle like a stream or chasm. Bridges make the system more efficient either by saving travel distance or by enabling vehicles or pedestrians to reach places that were previously inaccessible. There are four...
    Bridges Small Scale Building Design & Construction Construction VITA Downloads