tìm lỗi sai và sửa 1. This electric cooker is used to boil rice, not make rice porridge 2. In Holland, people make use of windmills for production wind energy. 3. Chopping uncooked food, please use this separate knife. 4.This car conditioner is installed to keep it cool in summer and making it warm in clod winter. 5. You can use this to find the meaning of a word or leaning some examples of it. 6. This massage chair is used mainly by the elderly to relief pain.