علم المعادن الطبيعي. علم المعادن الطبيعي is the specific focus on physical attributes of minerals. Description of physical attributes is the simplest way to identify, classify, and categorize minerals, and they include: يمكننا أن ننظر إلى المعادن – بصفة عامة – على أنها المواد التي تتكون منها صخور ...
The LME are looking forward to attending the annual lunch of the International Steel Trade Association (ISTA) in London. On this occasion Alberto Xodo, LME Product Specialist (Steel & Nickel), will be announcing the winners of the 2024 ISTA Steel Derivatives Trader and Broker Awards (both sponsored by The London Metal Exchange).