Research from nine European countries shows the negative impact of weight on wages is stronger in the "oilbelt" nations which include Spain, Greece, Italy and Portugal.
As it turns, the belt propels the robot forward and lifts oil off the water with the help of a nanomaterial that's engineered to attract oil and repel water.
运行时，传送带驱动机器人前进，利用亲油排水的纳米材料将油从水面上分离出来。
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The two countries also signed an agreement for a joint venture to produce up to 400,000 barrels of oil a day in the Orinoco belt.