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The ratio of kitchen water using to general household water using is 1:10. The average of water flow from kitchen faucet per minute is 20 liter. If the water flow to the osculum when washing vegetable or dishes can be recycled and reuesd, there will be much more wasted water being saved.
Kitchen planting plan is to plant vegetable in the kitchen using the water recycled from osculum. By planting plant in the kitchen, it can reduce water waste. Also, the kitchen will become a self-sufficient place. Ripe vegetable can be picked, washed and cooked directly.