A cassava chips stevedore works amid the powder in Lianyungang city, Jiangsu province, Aug 3, 2013. Stevedores at a local cassava chip enterprise which imports cassava chips from Thailand work ten hours a day and their bodies are covered with powder. Each worker offloads more than 100 tons of chips on average per day. Cassava chip is raw material for ethanol gasoline which is important material for the energy saving industry. [Photo/CFP]
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