Michael Faraday recognized that soot was composed of carbon and that it was produced by the incomplete combustion of carbon-containing fuels. The term black carbon was coined by Serbian physicist Tihomir Novakov, referred to as "the godfather of black carbon studies" by James Hansen, in the 1970s. Smoke or soot was the first pollutant to be …
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