baseball bats‚ golf clubs‚ tents etc. Advantages of Aluminum Light Weight For example‚ the use of aluminum in vehicles reduces dead-weight and energy consumption while increasing load capacity. Corrosion Resistance Aluminium naturally generates a protective oxide coating and is highly corrosion resistant. Different types of surface treatment such as anodizing‚ painting etc. can further improve this property Electrical and Thermal Conductivity Aluminium is an excellent heat and electricity
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DEVELOPMENT OF NIPA PALM TART CHAPTER I THE PROBLEM AND ITS BACKGROUND Introduction Nypa fruticans known as Nipa Palm in the Philippines is the only palm considered a mangrove in the Mangroves Biome. This species is a monotypic taxon‚ the only one in the genus Nypa. Nipa palms grow in soft mud and slow moving tidal and river waters that bring in nutrients. The palm can be found as far inland as the tide can deposit the floating nuts. Nypa fruticans‚ the Nipa palm‚ has a horizontal trunk that
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Title : WORK INSTRUCTION OF VALVE REPAIR AND REFURBISH FOR BTE 16” CLASS 1500-SF CILIPADI VALVE Prepared by: Reviewed by: Approved by: Reviewed by: (SSB 1) Reviewed by: (SSB 2) Sign: Name: Position/Indicator: Date: Repair and Refurbish of Pipeline Valves 1 Scope This recommended practice (RP)provides guidelines for the repair and refurbish of steel ball‚ check‚ gate‚ and plug valves normally use in pipeline applications
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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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TOPIC: Deteriorating U.S. Roadways GENERAL PURPOSE: To persuade the audience to research‚ support and act locally and nationally to address the Issue. SPECIFIC PURPOSE: To Inform my audience of the issue so that they are aware of its human impact‚ how America’s own actions caused the problem and what we‚ as citizens‚ can do to help fix our roadways. INTRODUCTION I. ATTENTION GAINER: “On TV I watched as the bridge collapses. Minnesota. Rush hour. Trucks and cars suspended over water. Cars
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Hot tap operation is a combination of many variables‚ welding is only one of them‚though it’s critical for any hot tapping operation. Note Hot Tap could lead to serious fatalities if not done properly. Since you mentioned about Shell’s DEP‚ please note these DEP’s are well respected in the industry. That does not mean what’s written is absolutely unquestionable‚ but there’re good rationale on what’s written in the DEP’s. DEP 31.38.60.10-Gen‚ HOT-TAPPING ON PIPELINES‚ PIPING AND EQUIPMENT is quite
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Origins of the Name The word‚ Aluminium originates from the ancient Latin word for alum‚ alumen‚ which is potassium aluminum sulfate‚ meaning “bitter salt”. We pronounce the element of aluminium’s name as follows‚ al-yuh-min-ee-uhm‚ which conforms to the IUPAC pronunciation of the word‚ with the regular ‘ium’ ending of majority of the elements of the periodic table. The History Aluminium was first discovered in 1825‚ by early discoverer‚ Hans Christian Oersted in Denmark. Before this time‚ alum
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chemical attack at temperatures below 150 C. Tantalum is virtually resistant to corrosion due to an oxide film on its surface. Applications Tantalum finds use in four areas: high-temperature applications‚ such as aircraft engines; electrical devices‚ such as capacitors; sirurgical impants and handling corrosive chemicals. It is rarely used as an alloying agent because it tends to make metals brittle. Tantalum resist corrosion and is almost impervious to chemical attack‚ for this reason it has been employed
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overheating are: the oil is not enough or oil quality is bad; worm and gear seriously is worn; meshing is bad; bad bearing lubrication or severe worn; magnetic field intensity becomes weak; the temperature is too high; sunlight exposure; acid and alkali corrosion. Magnetic separator can consist of machine base‚ magnetic system‚ the cage‚ hollow shaft‚ concentrate slot‚ transmission equipment etc. When we install machine base‚ we must be based on hollow bearings to measure the elevation and levelness. The
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Coastal Processes | Description | Sub Aerial | Coastal erosional processes that are not linked to the action of the sea. Erosion occurs via rain‚ weathering by wind and frost. Its impact is often seen in soil creep‚ slumping and landslides. | Corrosion | When waves approach the coastline they are carrying material such as sand‚ shingle‚ pebbles and boulders. Abrasion occurs when this material is hurled against cliffs as waves hit them‚ wearing the cliff away. | Human activity | Much building
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