Michael Nest

Жанры и тэги:

сельское и лесное хозяйство сельское хозяйство

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09.12.2023

A decade ago no one except geologists had heard of tantalum or 'coltan' – an obscure mineral that is an essential ingredient in mobile phones and lapt…

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09.12.2023

Coltan

A decade ago no one except geologists had heard of tantalum or 'coltan' – an obscure mineral that is an essential ingredient in mobile phones and lapt…

Подробнее