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The moisture it absorbs and is accommodates to the pot assembly which uses the gel style substitutional soil it will be able to supply in the plant which re-has become the courage which has the accommodating space which the gel style substitutional soil, and; It is established on the bottom of courage, the moisture which is put in courage selectively multiple it controls with the multiple unit for; Selectively combination and crisis possibly on lower part of courage, it is established, according to combination degree opening and shutting it opens and shuts a minute description multiple unit absently; It includes the pot assembly the fact that with feature is started.