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چند سال است که از پرشین بلاگ خداحافظی کرده بودم در این چند سال فکر کنم نوع نگارشم و موضوعات چالشی . و اما زمين شناسی نفت نمونه ای از لاگ حفاری اگر از عکس ها خوشتون اومده ميل بزنيد. سلام امروز بهتره يک کمی در مورد زلزله آشنا بشيد وچگونگی کنترل کردن اون رو در ضمن برای قوی تر شدن .
You have no items in your shopping cart. View All Equipment and Tools. View All Field Notebooks and Mapping. Hammers, Picks and Chisels. View All Hammers, Picks and Chisels. View All Mineral Exploration Equipment.
Today, the Geology Today Minerals and Fossils Explained 2012 Online Event closes. Looking back over the past two weeks, the organizers have been very happy with the level of interest that you have all shown during the event. However, even though we could only.
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