资源 标记: Low Cost
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Access Agriculture Training Video Some plants repel insects naturally. Grow them in between your crop to deter insects. By knowing the wild plants that grow in your area, you can prepare your own herbal insect repellent at no cost. Add cow urine to help extract the repelling compounds from milky...
- 1981-01-01 This prefabricated greenhouse can be added to the south side of an existing house for under $225.
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1987-01-01 Flowing water tends to generate automatically a picture of "free" power in the eyes of the observer. But there is always a cost to producing power from water sources. The cost of developing low-output water power sites should be checked against available alternatives, such as: Electric Utility -...
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1956-01-01 Inexpensive rubber cement can be made easily with ordinary gasoline and raw sheet rubber.
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1986-01-01 Roads vary from trails to major hard-surface highways. Depending on the local climate and materials available for construction, roads may sometimes be open to traffic for only part of the year. A year-round road is often more expensive to build, and may not always be necessary. As a general rule,...
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1985-01-01 This nest of three beds will save space in a small room during the daytime because it takes up only the space needed for one bed. The beds are low in cost and easy to make from local materials. Dimensions suggested here are approximate. The exact dimensions depend on the kind of wood used.
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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.