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01-01-1988 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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01-01-1979 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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01-01-1979 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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01-01-1990 Strong, water-resistant casein glue, which produces joints as strong as or stronger than most of the common species of wood, is made from skim milk and common chemicals. Casein glue joints are water-resistant but not waterproof. They will withstand occasional soaking, but if soaked and dried,...
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01-01-1990 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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01-01-1991 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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01-01-1985 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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01-01-1985 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...
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01-01-1985 Energy storage capability is essential if the maximum economic advantage is to be gained from small power plants. Unless the power plant is operated at full load on a continual basis, there will be periods when there is a lower load demand upon the plant. As a result of this lower demand, excess...
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01-01-1987 Moving soil for irrigation and road-building is important to good farming. Careful preparation of land for irrigation and good water usage saves water, labor, and soil, and improves crop yields. Improved roads make communication easier between farmers, their suppliers, and their markets. Although...
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