break apart solids and help the soap penetrate. At first this was done by pounding or rubbing the clothing with rocks in a river‚ and later developed into the corrugated wash board. In Roman times a person would whiten clothing by rubbing it against a rock while letting soap lay on it. The soap was made of animal fat. Clothes washer technology developed as a way to reduce the drudgery of this scrubbing and rubbing process by providing an open basin or sealed container with paddles or fingers to automatically
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first day in college. I could still remember that it was a Sunday evening. Before going to the night prep‚ there was a weekly roll call. Unfortunately‚ the school had black out that night. The dark corridor was crowded with people. Everyone was rubbing their shoulders with each other‚ talking about their weekends. Suddenly‚ my leg fell into the drain as I tried to avoid the crowd from pushing me backwards. I yelled in pain when I wanted to stand up. I could not believe this happened to me! My
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Analyse the ways in which Barker presents crises of belief occasioned by WWI‚ in ‘Regeneration’. Barker uses a variety of ways to loss of faith. The most common loss of faith was in God. Barker explores this with the characters Rivers‚ when he is rescuing Burns from the knocked down tower. Rivers thinks to himself “Nothing justifies this. Nothing nothing nothing.” This points out to himself that even God cannot exist and let this happen. This quote is also in italics to emphasise the passion
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Body language is a form of non-verbal communication‚ that is‚ talking without saying a word. On the other hand‚ non-verbal communication includes body movements‚ posture‚ gestures‚ facial expressions and eye movements. According to the social anthropologist‚ Edward T. Hall‚ in a normal conversation between two parties‚ he discovered that approximately 35% of interactions is actually expressed through words‚ while 65% of it is conveyed through body language. In modern society‚ more and more liars
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TREATMENT OF CORROSION Regardless of the type of corrosion or the metal involved‚ corrosion treatment requires three basic steps: 1. Remove as much of the corrosion as possible. 2. Neutralize any residual material. 3. Restore the protective surface film. CORROSION REMOVAL As previously discussed‚ the first step in corrosion control must be cleaning the surface. After the surface is completely clean and it is determined that corrosion does exist‚ the damage must be carefully assessed
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Plant Pigment Lab Question: What pigments are present in Red Wandering Jews? Background: A leaf is filled with many pigments. The pigments are usually masked by the prevalence of the green chlorophyll. Anothocyanin(red or purple)‚ carotene(orange)‚ and xanthrophyll(yellow) are found in different proportions in different leaves. Leaf pigments can be separated by using paper chromatography. Paper chromatography is a technique that extracts pigments into a paper filter called chromatogram. What are
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Evaluate how plate tectonics theory helps our understanding of the distribution of seismic and volcanic events. Plate tectonics is a relatively new science. It’s partially explained in the sense that we still don’t know fully about how the plates came together‚ what they were before they were the seven continents we know today. We already know‚ or have a theory‚ about what our world was like a long time ago and so if we already know that the plates can pull and push against each other‚ then surely
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grinding wheels. The problem was that they sold the worthless mineral anorthosite instead of corundum. After this fail‚ they tried to make sandpaper with the anorthosite‚ but this was not a big success. In 1910‚ the founders decided to import better minerals like Spanish garnet and the sales of sandpaper grew. In 1921 the company introduced the first waterproof sandpaper‚ which reduced airborne dusts during automotive
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years ago that office workers used to waiting for subway by reading a daily newspaper‚ housewives seating at balcony and reading a newspaper in the morning. But now‚ most people read news on their cellphone or television instead of newspaper. What is rubbing off on their behavior? Peter Funt who is an op-ed writer for the New York Times‚ writes about blablablabla on his essay “So much media‚ So Little News”. Neal Gabler who is a journalist and culture historian‚ writes about the relationship between big
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jewellery as it can store bacteria Wash your hands properly after every task Eiii An explanation of the most effective ways to wash hands Wet your hands with clean water — warm‚ if available — and apply soap. Lather by rubbing hands together; be sure to cover all surfaces. Continue rubbing hands together for 15 to 20 seconds — sing "Happy Birthday" twice in your head. Thoroughly rinse hands under running water to ensure removal of residual germs. Use paper towels or an air dryer to dry hands Eiv A description
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