1. ويستخدم فقاعة الهواء, circulating water to generate pressure to help flush the vegetable to cleanthouroughly, so that all dirt will separate from the vegetables.2. أثناء غسل الخضار, there will be ozon injected to the whole washing tank so as tosterilize, to clean out the pesticide residue.3. هناك الكربون النشط, helping purifying the