What is plastic?? A material that contains one or more organic polymers of large molecular weight‚ solid in its finished state and at some state while manufacturing or processing into finished articles‚ can be shaped by its flow. Types of plastics 1.Thermosets. 2.Elastomers. 3.Thermoplastics. NATURAL RESINS solids or semi solid materials light yellow to darkbrown in colour carbon‚ hydrogen and oxygen. globules on the bark . SYNTHETIC RESINS derived primarily from petroleum
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Utilization of Plastic Waste Production of Hollow Blocks and Bricks ABSTRACT The objective of this IP is to prove that plastics can be recycled into reusable hollow blocks/bricks and help the environment by lessening plastic waste. In this experiment‚ plastics were cut into small pieces to use them in bricks/hollow blocks. INTRODUCTION The objective of this project is to help prevent water pollution that causes flood‚ by collecting and using plastic wrappers in making hollow blocks and bricks
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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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Plastic Bags The passages present a debate about arguments concerning whether or not reusable bags should be put into mandatory use. This is an important debate because of the potential impact that it will have on both the environment and small business owners. The two positions argue whether or not stores should be made to use reusable bags. Both viewpoints have valid claims warranting consideration. For example‚ evidence suggests that reusable bags will be too expensive for small shop owners
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Plastic bags have become an ever-growing issue with the increasing predicament of pollution into today’s society. Single use plastic bags are made from petroleum products and therefore affect fossil fuel supplies. The sourcing and manufacturing process of this product plays a part in environmental pollution‚ and is therefore a contributing threat to the environment (Clapp & Swanston‚ 2009). This critical economic overview of a plastic bag tax shall examine and analyse both the positive and the negative
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about plastic bags and whether they should be banned. As you may know‚ plastic bags are one of the main sources of rubbish that end up polluting our rivers and oceans. In fact‚ the problem has become so immense that a huge island of rubbish containing plastic bags and other items has formed in the middle of the Northern Pacific Ocean. The area polluted by this rubbish is so vast that it covers an area greater than the size of Australia. So should plastic bags be banned? Plastic bags are a
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Design Report: Design Option – Plastic Bottle Bricks The design area chosen by my team is Waste Management. Our aim is to reduce the dumping of Codo’s waste in the environment and provide and alternative purpose for those materials. The plastic bottle brick is an option that combines plastic bottles‚ bags‚ packages‚ and many other types of dry waste to create a brick much stronger than the traditional one. A huge initiative to use this brick can be seen at the Eco-Tec’s Ecoparque
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DRAFT OUTLINE DISADVANTAGES OF PLASTIC SURGERY I. Introduction Just like almost every other thing in the world‚ plastic surgery also has its own disadvantages such as causing addiction‚ leading to health problems and involving a highly cost procedure. II. Body A. Plastic surgery has the potential to become an addiction. (Casey Holley‚ 2011) 1. Patients have low self-esteem. (Casey Holley‚ 2011)
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Effects of Plastic Surgery Just in case you were unsure of the effects of plastic surgery‚ this can be a pretty good guide to some of the things that you might not expect after having had surgery…and some things that you probably already knew but haven’t thought all that much about. Basically having plastic surgery will affect you in three major ways. The first and possible least important is the effect it will have on your pocketbook. Plastic surgery‚ whether it is a face lift‚ breast enhancement
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It is interesting to know as to how people really feel psychologically about themselves. Self-esteem is a major issue in plastic surgery. One way may be the way a person may look and feel about his or herself. Many people may say it is the person’s self-esteem level‚ but it could also be a psychological problem. Low self-esteem could lead people to believe that cosmetic surgery will cure this feeling forever. Cosmetic surgery has its commendations in making a person’s desires for beauty come true
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