INTRODUCTION At this point of time‚ in this age of technology‚ we tend to keep on using products‚ materials and inventions which come from non-renewable sources such as oil‚ petroleum‚ fuel‚ natural gas‚ etc. Just like in cooking‚ we need heat to cook the food‚ and to have that heat‚ we need a tank of Liquefied Petroleum Gas (LPG). But the problem is‚ LPG comes from a non-renewable source‚ therefore‚ there’ll be a point of time that these non-renewable sources will someday become scarce to a point that it will
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Computer Fundamentals Computer is an electronic device that manipulates data according to set of instructions and produce a meaningful result. • Computers are not very intelligent devices‚ but they handle instructions flawlessly and fast. • They must follow explicit directions from both user and computer programmer. • Computers are really nothing more than a very powerful calculator with some great accessories. • Applications like word processing and games are just a very
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tri-angle appropriately because you can sharpen your blades at 30‚ 35‚ or 40 degrees. The Spyderco Knife Sharpener Package So what’s in the box? Well first of all I should mention that the box is roughly the size of a chocolate bar‚ and so is extremely portable. When we take off the lid we see the following included: Sharpener Base 2 Medium-grit high alumina ceramic stones (brown)
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that involves the pairing of an unconditioned action of stimulus with a learned one. Heat is an unconditioned stimulus our body naturally responds to. The unconditioned response is the child’s reaction to touching something hot. The unconditioned response is the quick removal of the hand once the heat is felt. In order to teach the child not to touch the stove‚ you would have to keep the stove off but put a heating pad on the stove. This way‚ you can teach the child that the stove is warm and will be
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Laptop Computer A laptop is a portable personal computer. They have furthermost of the similar components as a desktop computer‚ likewise a display screen‚ a pointing device such as a touchpad which also known as a track pads‚ a keyboard‚ and 2 speakers. Laptop computers are powered by mains electricity via an AC adapter‚ and can be used away from using a rechargeable battery. Sometimes there are also called notebook computers or notebooks. Laptops are portable computers. They are standard devices
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Historical development of vehicle brakes: The development of braking systems was synonymous with the invention of the wheel. It is assumed that some primitive methods of slowing and stoping the first vehicles and carts was to deploy a log attached by rope off the vehicle and allow it to drag along behind. Another assumed method may have been to deploy an anchor of wedge that could be stuck into the ground. As the development of brakes was becoming more of an important issue‚ the dragged systems
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I. LANDING GEAR SAFETY DEVICES Most airplanes with a retractable landing gear have a gear warning horn that will sound when the airplane is configured for landing and the landing gear is not down and locked. Normally‚ the horn is linked to the throttle or flap position‚ and/or the airspeed indicator so that when the airplane is below a certain airspeed‚configuration‚ or power setting with the gear retracted‚ the warning horn will sound. Accidental retraction of a landing gear may be prevented by
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versions are known as earbuds or earphones.[1] In the context of telecommunication‚ a headset is a combination of headphone and microphone. Headphones either have wires for connection to a signal source such as an audio amplifier‚ radio‚ CD player‚ portable media player‚ mobile phone‚ video game consoles‚ electronic musical instrument‚ or have a wireless device‚ which is used to pick up signal without using a cable. Headphones are made in a range of different audio reproduction quality capabilities
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PRESENTATION‚ INTERPRETATION AND ANALYSIS OF DATA 13 CHAPTER IV: CONCLUSION AND RECOMMENDATION 15 BIBLIOGRAPHY Abstract Extreme heat particularly during summer has physiological and psychological effects on humans. The occurrence of extreme heat in our surroundings is a current problem that caused by gradual devastation of our environment.
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NH3‚ and magnesium hydroxide‚ Mg(OH)2. The NH3 was driven off during the heating. One sign of this reaction was the ammonia smell given off. This is because upon heating‚ the Mg(OH)2 would break into MgO and H2O‚ which would be driven off by the heat. The second reheating was so that any remnants of the Mg(OH)2 of the crucible had been converted to MgO. This was also to have an accurate final mass of our product MgO. After the lab‚ the inside of the crucible was black. This is because the magnesium
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