Saudi engineers discover ‘sewage treasure’ in Japan

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https://s.yimg.com/bt/api/res/1.2/KS0JHHhs3oBBZjlAzx7FJA--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9NzU7dz0xMzA-/http://media.zenfs.com/en_AE/News/Arab%20News/141534904942.jpg (https://en-maktoob.news.yahoo.com/saudi-engineers-discover-sewage-treasure-japan-085059650.html)*Japanese companies are leading the way in turning sewage into sources of fuel and gas, according to several Saudi engineers who visited Japan recently.




أكثر... (https://en-maktoob.news.yahoo.com/saudi-engineers-discover-sewage-treasure-japan-085059650.html)