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Mineralogy, Metamorphic Petrology, Zeolite Technology, Clays, Enviromental Sciences
Mr. Ríos has developed several research and teaching activities on geology topics. He has participated in several field works on crystalline basement complexes in different areas of Colombia, which have contributed to improved understanding of the geology and tectono-metamorphic evolution…
Firearms Functioning, Design, Manufacturing; History & Identification, Gunsmithing, Ballistics, Ammunition, Airguns
Expert Witness - Firearms, 30 years’ experience: Testified in State and Federal Courts, patent, liability, and criminal cases. Books have been cited as "Best Evidence" Qualified in firearms functioning, firearms technology, firearms history, firearms identification, and ballistics (interior, exterior, terminal…
Coating, Insulation, PFP and TSA, Oil and Gas Industry Worldwide
He has used various types of abrasives for blast cleaning of various substrates. Carbon steel, Stainless steel and Concrete. The abrasives used are copper slag /coal slag / Garnet / Aluminum oxide. He has also used metallic abrasives like chilled…