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أدوات الموضوع | انواع عرض الموضوع |
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#1
08-30-2016, 09:46 AM
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UPDATE 4-Samarco dam failed due to poor drainage and design -investigation
UPDATE 4-Samarco dam failed due to poor drainage and design -investigation
BELO HORIZONTE/RIO DE JANEIRO, Aug 29 (Reuters) - The deadlycollapse of a tailings dam last **vember at the Samarco mine,owned by Vale SA and BHP Billiton, was causedby drainage and design flaws,... ??????? ??????: UPDATE 4-Samarco dam failed due to poor drainage and design -investigation || ??????: ahlam1399 || ??????: اسم منتداك
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