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1984-01-01 Metal scrap, although unfamiliar to most people, is one of the world's larger industries with regard to the number of companies and people employed, weight of material handled and value of equipment used. It offers exceptionally good opportunities, for creating new businesses in developing...
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1987-01-01 This Profile describes one plant operating with one shift and producing 15,000 dozens pairs of pants a year, and another that produces 22,000 dozens a year. It is important for a small factory to be able to produce varied styles. Therefore, it is imperative to have a designer/pattern-maker...
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1988-01-01 This profile describes two plants, operating with three shifts for 52 weeks per year. The smaller has an annual manufacturing capacity of 2,220,000 barrels; the larger has an annual capacity of 4,440,000 barrels. The methods of LPG recovery fall into four general classifications: (1) absorption,...
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1979-01-01 This easily operated washing machine can be built by a good carpenter from materials readily available in most countries. It is easy on clothes, effective and sanitary. The machine, which can take a 3-kilogram (6-pound) load of clothes, can be shared by several families. Clothes will last much...
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1979-01-01 Read this manual carefully before deciding which loom to build. The manual has been written to assist with thinking about the questions which must be answered before a loom is built. For example: -- What types of fibers are available and how much do they cost? -- What product or articles will be...
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1990-01-01 The product is clear, colorless, glucose syrup, extracted from dried cassava starch or cassava chips. It is sold in drums or tank wagons. Glucose, also called dextrose, was first manufactured in France early in the 19th century as a sweetener to replace sucrose (table sugar) which had become...
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1986-01-01 This paper briefly describes the production of glass and its properties, and gives some methods for recycling it. The uses of glass are not limited to these examples and there may indeed be far more inventive ways to reuse glass than are cited here. It is important to remember that any effort to...
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1991-01-01 There are many processes by which the hot, viscous glass can be formed into the desired shapes. Bottles are made by blowing a thick bubble of glass into a mold to give it the desired external shape and to form such features as screw threads or emblems. Such articles as dishes and electrical...
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1985-01-01 This paper provides an introduction to the process of evaporative cooling. In addition, the natural limitations and problems associated with this process, along with some practical applications of evaporative cooling are examined.
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1985-01-01 The purpose of this manual is to help development workers and others to become aware of the environmental factors that should be considered in planning small-scale energy projects that are environmentally sound and therefore more likely to be sustained. Environmentally sound planning includes the...