جرقه ايراني: علمي، آموزشي، سرگرمي و اخبار و …

Brazil to extend probe into Vale dam disaster into early 2020 – official

Brazil’s mining secretary said on Friday he expects the sector’s main regulator to extend its investigation until January 2020 into the causes of the Vale SA (VALE3.SA) mining dam collapse that killed at least 240 people.

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Brazil to extend probe into Vale dam disaster into early 2020 – official

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