of weaponry to use in a variety of situations. The continuum normally begins with asking a subject to respond to voice commands. If the subject does not respond‚ the continuum may advise that the next level of force be used‚ in many cases‚ pepper spray (Pearson‚ 2003). If the subject is wielding a firearm‚ lethal force may then be used. Law enforcement has long recognized that a wide and dangerous gap exists in the range of tools available to them. The only tools traditionally available‚ baton or
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should bear-proof‚ not bear-hunt. Additionally‚ bear attacks are uncommon. Most encounters are because the bears are surprised‚ protecting their young‚ or following food odors. An effective way to get rid of a bear if encountered is to use bear spray‚ spray that produces and odor only bears can smell‚ which will make the bear leave. Equally important is the fact that bear hunting is an inhumane sport. The New Jersey division of Fish and Wildlife stated that the purpose of a bear hunt was to reduce
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this fragile ecosystem’s ability to maintain itself. A valuable player in the balance of the environment‚ the ozone layer‚ is facing a very serious threat by man. Chloroflourocarbons (CFCs)‚ are chemical agents commonly found in refrigerants‚ aerosol sprays‚ and in the manufacturing of Styrofoam and industrial solvents. With the rate of more than a half-million tons of CFCs being spewed into the atmosphere yearly‚ the rate of ozone depletion is rising at an alarming rate. If a global effort is not made
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the dangerous refrigerants used before like ammonia and propane. Freon and other CFCs soon replaced the various toxic or explosive substances previously used as refrigerants‚ and were later used in other applications‚ such as propellants in aerosol spray cans and asthma inhalers. The Society of Chemical Industry awarded Midgley the Perkin Medal in 1937 for this work. However‚ Midgley’s discovery resulted in damage to the earth’s Ozone layer. Two‚ Midgely discovered the effectiveness of tetraethyl
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Science Investigatory Project EVALUATION OF EUPHORBIA PLANT USED AS INSECTICIDE AGAINST DOMESTIC BUGS INTRODUCTION: These days‚ people can’t oppose the boosting of the countless pest that disturbs our daily habits. That’s why we made a product that could be the answer for this problem that we all face. By mixing-up the three main elements of the by-product‚ the garlic‚ chili pepper‚ and Euphorbia‚ we come up to put up an alternative
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munitions like a 12-gauge shotgun that shoots what are called bean-bag or rubber bullets. Theses devices can be used to subdue an armed suspect if possible. Another development in non-lethal weapons are chemical agents such as tear gas and pepper spray. These devices are used to disperse large crowds of people or temporarily incapacitates individuals who pose a threat to law enforcement or the public. The need to project a chemical agent further distances has lead to the development of compressed
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Executive Summary. Aerosol hairspray cans are a cosmetic product used by 86% of women in the United States.(3) The consumer demand for hair products has stayed relatively steady since the invention of hairspray. Industrial suppliers can increase their net profit of aerosol hairspray production by analyzing and possibly optimizing their manufacturing process‚ mores specifically‚ the production of the most widely used aerosol propellant‚ dimethyl ether (DME). The optimization of a thermally coupled
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The chemistry of hairspray What is hairspray: introduction Hair spray (or hair lacquer) is a common household aqueous solution that is used to keep hair stiff or in a certain style. Weaker than hair gel‚ hair wax‚ or glue‚ it is sprayed to hold styles for a short period of time. Using a pump or aerosol spray nozzle it sprays evenly over the hair. Hairspray was first developed and manufactured in 1948 by Chase Products Company‚ based in Broadview‚ Illinois.Its active ingredient is a suitable
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deodorant market is projected to grow at 25 per cent CAGR over next 5 years. The deodorant market is divided into categories such as Deodorant Rollo-ons and Deodorants Sprays. However‚ the market is mainly dominated by the Body Spray categories. As per market research firm‚ Euro monitor‚ the market size of Deodorant Sprays is estimated to be Rs 10‚ 421.7 million as compared to Roll-ons that has the market value of Rs 121.6 million in the year 2011. Top players in the category The top five
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Bear Encounters Colorado has a healthy population of bears. There are 16‚000 to 18‚000 bears roaming around looking for food from April to Thanksgiving and there are hundreds of bear encounters each year. This year experts predict the chances of bear encounters will increase because food supplies are low. Colorado Parks & Wildlife said your chances of a bear encounter increase when you leave attractants around your home or camp site. Those items include trash‚ food wrappers‚ and bird and dog
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