今天我們繼續(xù)學(xué)習(xí)防止食物變質(zhì)的方法。Nigeria，Mohammed Bah Abba，Rolex
The evaporation process creates a drop in temperature of several degrees. This cools the inner pot and helps keep food safe from harmful bacteria. Some foods can be kept fresh this way for several weeks.People throughout Nigeria began using the invention. And it became popular with farmers in other …
蒸發(fā)會使得溫度下降幾度，這將使得里面的那個罐子溫度下降，有助于保持食品的安全，而不受有害細(xì)菌的侵入。有些食品通過這種方法能儲存數(shù)周。全尼日利亞的人們都開始利用該發(fā)明，并且在非洲其它國家也漸漸流行起來。Mohammed Bah Abba在他的社區(qū)和附近5個村莊個人出資了第一批5000個罐中罐系統(tǒng)。2000年，瑞士的勞力士公司授…