entirely on plastic products due to their useful material properties and low production costs. Almost every product is constituted of some kind of polymer; however‚ traditional synthetic polymers (often called plastics)‚ such as polypropylene and polyethylene‚ are derived from non-renewable petrochemicals and are not readily biodegradable (http://www.plastice.org/ fileadmin/files/Brochure_teachers.pdf). The need for polymers and the products they constitute is ever increasing; however the use of non-renewable
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slowing of the bowel while using opioid medications such oral laxatives such as senna‚ sodium docusate or such medications as a osmotic laxative such as sorbitol or latulose. The author continues on to present the use Magnesium hydroxide‚ and Polyethylene glyco as a temporarily relief of hardening stool. Moving on‚ the author details the use of suppositories and their methods explaining details related the types of suppositories to use related to soft and hard stool. The author stresses
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that while “The bottle-water industry has done an excellent job of convincing consumers that bottled water is pure and healthier than tap‚” the truth is that: Disposable plastic bottles (polyethylene terephthalate-PET) used for soft drinks and water‚ and molded-type plastic bottles (high density polyethylene-HDPE) used for milk‚ detergents and motor oils have become an environmental concern. Reusable plastic bottles (polycarbonate) used primarily for sports bottles and baby bottles
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In today’s society‚ sport is something that is reported on a minute-to-minute basis‚ with full coverage of the latest sporting events at all times. As sports have become an even more central part of the world‚ the science behind every aspect of a sport is looked at under an intense microscope as advancements are made everyday to make sports safer‚ cheaper‚ and an overall better experience for everyone involved. The playing surfaces used by athletes have become an even greater interest in recent years
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Plastic Pollution & Management Topics To Be Covered • Introduction • Composition & Synthesis • Types of Plastic & Their Uses • Disadvantages • Statistics • Impact on Environment • Plastic Waste Management • Measures To Be Taken • Conclusion EEES Presentation │Topic- Plastic Pollution & Management│ CS-1 | Ankit Mishra | Arun Choudhary Introduction The word plastic is derived from the Greek (plastikos) meaning capable of being shaped or molded. Plastics are a range of synthetic or semi-synthetic
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Doña Aurora National High School Utilization of Different Varieties of Dried Leaves into Organic Fertilizer using Earthworms (Lumbricus terrestris) as Agents for Fast Decomposition Chapter I (Introduction) A. Background of the Study Since ancient times‚ farmers have known that adding certain substances to the soil helps produce healthier‚ more abundant crops; such a substance is called fertilizer. The researchers decided to make an organic fertilizer. Organic fertilizers are made up of
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PUMA AUSTRALIA PTY LTD AUSTRALIAN PACKAGING COVENANT 2010-2015 ACTION PLAN PUMA AUSTRALIA PTY LTD AUSTRALIAN PACKAGING COVENANT (APC) 2010-2015 ACTION PLAN CONTENTS 1. 2. 3. 4. Executive Summary Company Profile 2.1 2.2 3.1 4.1 4.2 Puma at a glance Environmental Initiatives 1 2 5 5 2 2 Covenant Contact Officer Environmental Task Force Types of Packaging Used Timetable for Review Introduction Design 5.2.1 Covenant Goals 5.2.2 Outcome 5.2.3 Key Performance Indicator 5.2.4 Current
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before it is put into service as most of this kind of components are subjected to high stresses and temperatures on the order of thousands of hours (~10‚000 or 100‚ 000 hours). In this laboratory‚ we are going to study the creep of a high density polyethylene using a simple creep apparatus (see fig.1). The sample is loaded into the right most portion of the lever (for details see Fig.1) and below the dial indicator. Note down the inner indicator (small needle) reading and adjust the outer indicator
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Types of Physical Evidence Found at a Crime Scene-Part 1 1. Bodily Fluids- (Blood‚ semen‚ and saliva). All suspected blood‚ semen‚ or saliva-liquid or dried animal or human-present in a form to suggest in relation to the offense or the people involved in a crime. This includes blood or semen dried onto fabrics or other objects‚ as well as cigarette butts that contain saliva residue. These substances are subjected to serological and biochemical analysis to determine their identity and possible origin
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furnace flues as a less expensive alternative. Polyvinyl Chloride‚ otherwise known as PVC is a hard plastic pipe typically used in plumbing applications. Polyvinyl Chloride Pipe is the third most widely produced plastic in the world behind only polyethylene and polypropylene. Wikipedia quotes that PVC is "cheaper and stronger than more traditional alternatives such as copper or ductile iron. It can be made softer and more flexible by the addition of plasticizes‚ the widely used Phthlates. In this
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