In my opinion‚ the expert testimony in the case was extremely vital to the prosecution of this particular case. This is considering the fiber evidence was the most factual information that the prosecution had linking Wayne Williams to the bodies of the murder victims. By using the forensic experts in educating the jury on how distinctive fibers types can be‚ by using photos and charts ("Wayne Williams Trial: 1981 - Prosecutors Use Microscopic Analysis‚ Williams Takes The Stand‚ Suggestions For
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Fiber Optic Safe Working Procedures Most of the standards‚ created by industry groups to insure product compatibility‚ they are not “codes” or actual laws that must be followed to be in compliance with local ordinances. The only mandatory standard is the NEC. The NEC specifies fire prevention standards for fiber optic cables. They are however‚ the standards we must follow. Installation Hazards: When installing burial or aerial cable‚ cables containing conductive materials could pose a potential
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1.1 Types of Inventories Inventory is a list of goods and materials‚ or those goods and materials themselves‚ held available in stock by a business. 1) The type of inventories using by Padini Holdings Berhad is categorised under “Goods for Sale”. For example‚ cotton‚ polyester‚ viscose‚ fibre‚ yarn and et cetera. For “Goods for Sales” inventory is usually divided into 1. Raw Materials : a) Natural Raw Materials: Cotton‚ Wools and etc. b) Synthetic Raw Materials: Acrylic‚ Viscose‚ Nylon
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Warmth (comfort) Absorbency (comfort) Comfort (comfort) Handle and drape (aesthetics) Strength (functional) Elasticity (functional) Aftercare (functional) Natural fibres Wool Warm to wear. Slow‚ can absorb its weight in water and not feel wet. Repels water droplets. Very slow drying. Fine wool‚ very comfortable. Coarse wool‚ scratchy. Very soft or coarse handle. Good drape. Medium strength‚ not durable. Very good. Creases drop out. Wash and iron with care‚ may shrink. Dry
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Title: Looking at fibres Aim: To investigate natural and synthetic fibres under the microscope. Hypothesis: I predict that natural fibres will appear rough and taper under the microscope and synthetic fibres will appear smooth. Method: Refer to text book 1‚ 2-2 fibres and fabrics. Results: Fabric sample to touch Description/observation 1. Silk Soft 2. Leather Soft 3. Corduroy Soft‚ rough underside 4. Nylon Soft‚ stretchy 5. Linen Soft 6. Wool Soft‚ rough‚ fluffy 7. Polyester
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Major changes came to the textile industry during the 20th century‚ with continuing technological innovations in machinery‚ synthetic fibre‚ logistics‚ and globalization of the business. The business model that had dominated the industry for centuries was to change radically. Cotton and wool producers were not the only source for fibres‚ as chemical companies created new synthetic fibres that had superior qualities for many uses‚ such as rayon‚ invented in 1910‚ and DuPont’s nylon‚ invented in 1935
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Attempt to produce man-made fibre was first started with Artificial Silk’ at 1855 in England by Swiss chemist named Audemars. The fibrous inner bark of mulberry tree was then chemically modified to produce cellulose. At 1880s‚ sir Joseph Swan an English chemist experimented by forcing the cellulose liquid through fine holes into a coagulating bath. First commercial production of artificial fibre was achieved by French chemist Count Hilaire de chardonnet at 1889 in France. At that time he produced
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Lyocell Lyocell is a newly manufactured cellulose fibre which is used in a wide range of clothing and household textiles due to its very unique properties. These properties include: strong‚ long lasting‚ variety of textures (including silky and denim feel)‚ absorbent and wicks moisture. In addition it is very durable‚ so it can be used in conveyor belts‚ oil filters‚ and capacitor separators. Lyocell is made by dissolving wood pulp into amine oxide solvent which changes chemical and surface properties
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Chapter II Review of Related Literature Chemical Wood Pulping Chemical wood pulping involves the extraction of cellulose from wood by dissolving the lignin that binds the cellulose fibers together. The 4 processes principally used in chemical pulping are kraft‚ sulfite‚ neutral sulfite semichemical (NSSC)‚ and soda. The first 3 display the greatest potential for causing air pollution. The kraft process alone accounts for over 80 percent of the chemical pulp produced in the United States
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Understand Your Fats and Fiber SCI/241 August 16‚ 2012 Cindy Portman I am going to discuss what I understand about fats and fiber. Yes‚ your body needs fats. Dietary fats are essential to give your body energy and to support cell growth it will help protect your organs and help keep your body warm. It helps your body absorb some nutrients and produce
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