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The use of resources and cost savings.Natural resources is essential in the living human if we use too many natural resources, or use the wrong way, it could cause environmental problem, so we should group together to use natural resources and cost savings. The use of resources and cost savings are the main guideline called 3 R as follows.1. Reduce the use of (Reduce) to reduce resource use, means to reduce the resource consumption in proper proportion or the use of resources. Such as to turn off the water and fire, when not in use. Which is to reduce fuel consumption or power source used in the production of electricity, etc.
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