Two girls Luong Ngoc Dieu Hien and Nguyen Thi Dieu Ai (grades 9, Nguyen Chi Dieu Secondary School, Hue City) has successfully made the wind energy generators from waste material.
11.9 days, Co. H-T Giang San (VN) has launched a generator from natural incinerator that can burn all types of garbage up to 70% moisture without waste separation at source. ...
Collection electricity from exercise machines in the park to serve the power system of public lighting in place and personal devices such as phones, laptops, cameras ... are relatively new ...
