Last year, a giant floating barrier five years in the making was launched off the coast of San Francisco, as part of a $20-million project to clean up a swirling island of rubbish between California and Hawaii.In 2018, a first […]
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The project acts as a calibration and validation
Miércoles, enero 6, 2021Tags: China PVC injection molding machine-www.highsun-machinery.com
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