Compare plastic bags to other alternative packaging‚ they are actually more environmentally friendly. They are lightweight‚ waterproof‚ hygienic and totally recyclable. They can be reused and they are made from a by-product of refining oil into petrol‚ so there is no waste from raw material. The plastic bags produce no greenhouse gases and less energy needed in the production. Through a lifecycle energy analysis‚ plastic is the better bag. At current recycling rates two plastic bag use less energy
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and Janis. They tell the rules of the high school to Cady. Also‚ they introduce “the Plastics” to Cady. The Plastics‚ which is represented attractive and beautiful‚ is a union of three girls. Karen Smith‚ Gretchen Wieners and Regina George are members of the Plastics. Regina George is the most attractive and scheming girl in the school because she always says something bad at people back. The three girls of Plastics write people’s bad
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The problem and solution of plastic Recently‚ plastic has become one of the most serious pollution problems in the world. According to a piece of news‚ it shows that every year worldwide plastic trash has been estimated at 260 million tons‚ and around ten percent ends up in the ocean. Many clean any more. As a result‚ in order to get back our beautiful ocean‚ people must recycle plastic and transform it into other energies. The tourism has become a great share that contributes to a country’s
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What is laser retinal detachment surgery? How does the lasers work? What is retinal detachment? In the early 1970’s‚ laser were first used to treat eye diseases and has since then become the standard practise for formerly untreatable disorders. Even when there is haemorrhaging and leakage in the back of your eye‚ almost always‚ the eye will look and feel normal when suffering from retinal diseases. Therefore‚ the only way to conclude the necessity of laser surgery is to have a careful‚ dilated retinal
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The decision of a laparoscopic liver surgery or open liver surgery is based on the location and size of the tumor. Laparoscopic (minimally invasive) liver resection can be performed through three of four small keyhole-sized incisions in the abdomen to remove the tumor whether they are benign or malignant. The patient experiences lesser pain and scarring as compared to the traditional open liver resection and can be discharged earlier‚ approximately in two to three days after the procedure. Standard
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many variables involved. Ultrasonic plastic welding was first used in 1963. Robert Soloff experimented with a probe and used it to weld two halves of a tape dispenser together. Soloff then realized sound waves traveled around corners as well as down the sides of rigid plastics to weld the joint area. To automate the ultrasonic plastic welding machine he attached it to drill press using some simple mechanical items. This method of joining made the use of plastics wide-spread‚ and is still the most
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Plastic is infinitely useful and makes life unbelievably simpler for everyone. Plastic however can have harmful effects on not only the environment but also on human health. Whether plastics advantages out way it potential health causes is the subject of debate. Plastic is used in everything from cell phones to water bottles. The fact that such a versatile and exhausted product can cause health problems should be taken into consideration. Plastic also has a harmful affect on the environment. This
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Cosmetic Surgery should not be banned. Normally‚ all human beings have some sense of insecurity is their appearance. We think that cosmetic surgery is necessary to boost up self-confidence‚ especially for women. If the women suffers from an abnormal feature on the human body‚ she would get many people make fun of her. Definitely‚ she gets hurt feeling and upset. For example‚ my mother’s friend was self-conscious about the size of her breast for twenty four years of her life. She would not go
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Life in the plastic era Time to Protect Earth: Safe Life from Plastic Pollution Dioxin is just one of hundreds of Contaminants stored in the human fat - Hossain Shahriar‚ Ph.D. The history of plastics goes back more than 100 years - however‚ compared to other materials‚ plastics are relatively modern. Their usage over the past century has enabled society to make huge technological advances to take us towards the new Millennium. Pre-20th Century although we think of plastic as a modern invention
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production. Recyclable materials include many kinds of glass‚ paper‚ metal‚ plastic‚ textiles‚ and others. Nowadays plastic is one of the most commonly used materials for recycling. There are around 10000 types of plastic that are used for manufacturing a whole lot of products‚ right from pet bottles‚ to kids’ toys and even clothes. This resulted in a substantial increase in plastic waste dumped all over the world. So plastic recycling was introduced. This is due to various reasons and the chief of
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