Ultrasonic speakers are lowered into the sea to test if they scare fish away
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Welcome to our guide to the commodities driving the global economy. Today, OPEC reporter Grant Smith discusses what’s in store at the group’s policy meeting this weekend.
Author(s): Jiachen Xie, Jianteng Wang, Xudong Rong, Dongdong Zhao, Enzuo Liu, Chunnian He, Chunshen Shi, Naiqin Zhao