Heavy metal in the 1980’s is hard to describe. Its static style did not change much from the 1970’s‚ but the lyrics‚ image‚ and theatrics took a step forward. Heavy metal had a huge impact in the 1980’s and there were many successful bands. Van Halen took heavy metal to new heights. After more than two decades of playing sold-out concert halls‚ selling millions of albums and enduring various lineup changes and solo projects‚ Van Halen is recognized as one of the most resilient and successful
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The Metal Casting or just Casting process may be divided into two groups: Hot Forming Process Examples are Centrifugal casting‚ Extrusion‚ Forging‚ Full mold casting‚ Investment casting‚ Permanent or Gravity Die casting‚ Plaster mold casting‚ Sand Casting‚ Shell Mold casting. The method to be used depends upon the nature of the products to be cast. Cold Forming Process Examples are Squeeze casting‚ Pressure die casting‚ Gravity die casting‚ Burnishing‚ Coining‚ Cold forging‚ Hubbing‚ Impact
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Tips For Choosing The Color Of Your New Metal Roof Metal roofing has several advantages over other roofing materials. It lasts a long time and it needs very little maintenance. It also comes in many different colors‚ so you don’t have to settle for a white or green roof if you don’t want to. If you’re considering a metal roof‚ you may want to keep these tips in mind for selecting the best color. Consider Your Climate The color of your roof can help control the temperature inside your home and
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The first test conducted on unknown bacteria 32 was the Gram stain. From this stain‚ unknown 32 was found to be a Gram-positive cocci. This test eliminated all possible Gram-negative bacteria‚ Gram-positive rods and Gram-positive spirillium. Next‚ the endospore test determined whether or not the Gram-positive bacteria contained endospores. With the use of malachite green‚ steam‚ and safranin it was found that unknown bacteria 32 did not contain endospores. This eliminated Gram-positive cocci Sporosarcina
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A Comparative Essay between “Disabled” and “An Unknown Girl” Moniza Alvi reflects on India as her hand is hennaed by “an unknown girl” “in the evening bazaar”. The predominantly upbeat mood of this poem contrasts with the pessimistic mood in “Disabled” written by Wilfred Owen‚ a soldier in the First World War‚ stating his anti-war view through a poem on the life of a young soldier “sewn short at elbow”‚ crippled by war. In his poem‚ the difference between past and present allows Owen to reveal
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Submitted: October 00‚ 2014 Experiment No. 7 Unknown: 2 Compound: Table 6.1Physical Examination State Liquid Odor Smells like adhesive paste Color Pink-orange Flammability Flammable Table 6.2Physical Constant: Melting Point Parameter Experimental Theoretical (From Literature) Melting Point (oC) Trial 1 Trial 2 Average 88 88 86 86 Table 6.3Solubility Test Sample Solubility Solubility Class Water Ether 5% NaOH5% Na2CO3 5% HClConc. H2SO4 Unknown Sample + + + + + + Basic Compound Table 6
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Conclusion: (Identity‚ % error‚ other evidence‚ how to improve) The identity of Unknown A is the compound cobalt(II) chloride hexahydrate (CoCl₂•6H₂O).This is justified by the similarities in color of red-purple crystal like grains‚ which is significant in identifying the product out of the eight suggested identities. Only two had similar characteristics which were CoCl₂•6H₂O and CoSO₄•6H₂O. Before unknown A was heated‚ there was a notable common physical property of the substance being red crystal
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There are many reasons for identifying an unknown bacterium. The reasons range from medical purposes‚ such as determining if the unknown could cause ailments in living things or knowing what microorganisms are needed to make antibiotics to other purposes such as knowing the exact microorganism has to be used to make certain foods. This experiment was done by applying methods in order to identify an unknown bacterium. An unknown bacterium was handed out by the lab instructor. The methods that
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Chemistry Lab Report Purpose The purpose of this lab is to determine the identity of an unknown liquid by measuring its density and its boiling point and try to match it with those solutions given in Table 2 of experiment 2. Procedure Part A In Part A‚ The main purpose was to find the determination of the density of the unknown (j41) and by doing that we had to determine volumes of the unknown liquid (j41) using three different volumetric devices which are graduated cylinder‚ pipette
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aureus)‚ the serum will coagulate‚ resulting in a clot (sometimes the clot is so pronounced that the liquid will completely solidify). * If negative‚ the plasma remains liquid. The negative result may be S. epidermidis but only a more detailed identification test can confirm this‚ using biochemical tests as in API tests and BBL CRYSTAL methods. MATERIALS Sterile swab‚ oxidase strap‚ microorganisms (Pseudomonas aeruginosa‚ E. coli) METHODS A. Catalase 1. A drop of 3% H2O2 was placed
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