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Need an research paper on gas adaptor examination. Needs to be 7 pages. Please no plagiarism. The science that studies the chemical and physical properties of metals is Metallurgy. It refers to the procedures used in extracting metals from ore, as well as to the processes related to metals purification and alloy production. It is divided into two subtypes: the Process metallurgy and Physical metallurgy. Process metallurgy refers to the ways in producing metals like its refining process through electrolysis or selective oxidation of impurities. On the other hand, Physical Metallurgy studies the structure of metals based on their composition and treatment. It is also concerned with the scientific principles and engineering applications employed in metals fabrication and treatments, and how metal products hold up under their industrial usages.