what is the 3R` strategy. please explain

3R strategy is an approach to reduce the amount of solid waste.Its full form is Reduce, Reuse & Recycle. Reducing means avoiding the use of materials which increases the solid waste. Reuse means repeated use of items without any side effects and recycling means use of waste itself as a resource. According to this strategy, one should avoid the use of non- recyclable substance (like polythene), which are harmful for environment & organisms. Use of materials such as paper should be preferred as they can be reused & recycled. Also they don't cause any harm to the environment when they are disposed off. Materials like glass, some plastics can be recycled on heating and get easily converted into different products like toys, containers which can be reused again.

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