I. BACKGROUND Precious metals and gemstones have been a popular investment vehicle especially in Asian countries and on the part of those who are constantly moving from one country to another. Asians have a special fondness for them because precious metals and gemstones have enabled them to survive hard times most especially when the super power waged their wars on our shores. Another reason for this is the presence of many gold deposits and mines in our country
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Our client has an immediate need for an Sheet Metal Fabrication Programmer Job Duties are: -Analyzes part of drawings‚ specifications‚ and design data. -Works from written specifications‚ blueprints‚ and/or shop drawings to write CNC programs of machine instructions through the use of a computer. -Will create‚ maintain‚ and troubleshoot programs for AMADA turret/punch press and laser cutting machines. -Will setup and operate machines when not programming. -Will field operator comments‚ questions
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Extrusion is the process by which a block/billet of metal is reduced in cross section by forcing it to flow through a die orifice under high pressure. • In general‚ extrusion is used to produce cylindrical bars or hollow tubes or for the starting stock for drawn rod‚ cold extrusion or forged products. • Most metals are hot extruded due to large amount of forces required in extrusion. Complex shape can be extruded from the more readily extrudable metals such as aluminium. * The products obtained are also
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Heavy Metal Music Good morning to our lecturer and my fellow friends. Today‚ I’m going to inform you about my favourite music genre‚ the heavy metal or metal. I’ll talk about its origin‚ characteristics and its evolvement. I am pretty sure that all of you are not fans of heavy metal. Perhaps‚ some of you did not even heard of it. Heavy metal ‚ often referred to as metal ‚ is a genre of rock music that developed in the late 1960s and early 1970s with roots in blues rock and psychedelic rock. Heavy
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TOPIC 2 Metals The History of Metals * Uses of metals through history: * Copper Age (3200-2300 BCE) – copper and tin were most common metals‚ and were used for ornaments‚ weapons and tools. * Bronze Age (2300-700 BCE) – copper‚ tin and bronze were used for tools‚ weapons and transport. They produced bronze by heating copper and tin with charcoal. * Iron Age (1000 BCE – 1 CE) – iron steel and lead was used for tools‚ weapons and pipes. Iron is much harder than bronze.
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26 2.3 Metal Forming Valery Marinov‚ Manufacturing Technology SHEET METALWORKING Classification of Sheet Metalworking Processes Basic sheet metalworking operations: (a) bending‚ (b) drawing‚ and (c) shearing; (1) as punch first contacts sheet and (2) after cutting. Force and relative motion are indicated by F and v Cutting Operations Shearing Shearing is a sheet metal cutting operation along a straight line between two cut-ting edges by means of a power shear. Shearing
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The brass alloy we are experimenting on is called Muntz Metal. Muntz metal is 60% copper‚ 40% zinc and a hint of copper [http://en.wikipedia.org/wiki/Muntz_metal] (accessed 4/10/12). Muntz metal was developed as an alternative to expensive‚ heavy copper. It is comprised of about 60% copper and about 40% zinc‚ with a small amount of iron. The finished product actually is considered a form of brass‚ but it has maintained its name of Muntz metal. [http://www.wisegeek.com/what-is-muntz-metal.htm] (Accessed
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[pic] Intro Turn a calculator into a metal detector I recently discovered a really cool method in using a few household items to make a HomeMade Metal Detector! Heres how to make your own! Heres a link to the video : http://www.youtube.com/watch?v=_G5HzeIl9cY [pic] Step 1 What you need. All you need for this project is‚ an: AM Radio ‚ some tape ‚ and a small calculator. [pic] Step 2 Let’s Begin Begin by turning the AM radio on. Tune it to the high end
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was still in air. After noticing all the in flight tear investigators begin to test for metal fatigue on another airplane that BOAC donated. After conducting the test they concluded their investigation by stating the crashed was cause my metal fatigue. After many repeated cycle of pressurization and de-pressurization of the aircraft cabin the cabin began to worn down and break apart. Metal Fatigue: Metal Fatigue is define as the material on an airplane begin to wore out after all the cycle of
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I. BACKGROUND CMI has developed a new technology using curled metal to create pile driving pads. Compared to existing products on the market‚ these pad offer several benefits: • Faster pile driving saves contractors rental fees‚ labor expense ‚ and spreads overhead over more feet driven in a given period of time • Longer life of pads save contractors additional cost in reducing changeover time • Heat resistance further reduces changeover time‚ saving additional expenses • Safety – CMI pads
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