Photo of a fire taken with a 1/4000th of a second exposure A flame is a mixture of reacting gases and solids emitting visible‚ infrared‚ and sometimes ultraviolet light‚ the frequency spectrum of which depends on the chemical composition of the burning material and intermediate reaction products. In many cases‚ such as the burning of organic matter‚ for example wood‚ or the incomplete combustion of gas‚ incandescent solid particles called soot produce the familiar red-orange glow of ’fire’. This light
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heavy metals and other toxic chemicals and harmful fumes of gases such as sulfur dioxide‚ ozone etc‚. People with asthma‚ multiple chemical sensitivity and other breathing problems suffer largely due to the toxic emissions from these fireworks. Crackers are unnoticeably affecting all of us. We should understand what it’s doing & how it’ll threaten
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COMBUSTION AND FIRE INVESTIGATION There are many different types of fires and it can be quite difficult to establish what may have started the fire in the first place. Fire investigation is an important process that attempts to establish the cause of the fire and whether a criminal act has taken place. The National Fire Statistics in the UK compiled by the Home Office states that 25% of fires are electrical in origin but this does not tell the whole story. The statistics are compiled from fire report
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A fire accident I witness That eventful day I could still remember that it was at 6.50am just as I about to leave my house to school I heard siren growls and blares‚ and engine howls - with red light snap on - its way passing my house. Lazy smoke curls out the second story of a commercial block. The engine pulls up and the firemen are jumping off like ship rats. A flame exploded downward; all the building’s windows blow out and it’s like the sky
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Fire is a major factor in our ecosystem‚ both good and bad‚ that is influenced by climate. It can cause carbon dioxide to have a direct effect on vegetation‚ and land use‚ and in turn‚ affect landscape pattern processes. Fire in the Earth’s ecosystems is a natural occurrence that is vital in keeping the flow of natural cycles healthy and efficient. Natural causes of bush fires has played significant role in shaping the ecosystems‚ such as certain plant life being more susceptible to harsh‚ scorching
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FIRE AND FIRE EXTINGUISHMENT A BRIEF GUIDE TO FIRE CHEMISTRY AND EXTINGUISHMENT THEORY FOR FIRE EQUIPMENT SERVICE TECHNICIANS BY J. CRAIG VOELKERT COPYRIGHT ® J. CRAIG VOELKERT 2009 FIRE AND FIRE EXTINGUISHMENT A BRIEF GUIDE TO FIRE CHEMISTRY AND EXTINGUISHMENT THEORY FOR FIRE EQUIPMENT SERVICE TECHNICIANS INTRODUCTION The professional service technician‚ who selects‚ installs‚ maintains‚ recharges and otherwise performs service work on portable fire extinguishers‚ pre-engineered
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Fire is most commonly associated with destruction‚ when fire is out if control that is when the problem really starts to show. When heat is introduced to the flask in the crucible‚ it is most likely to break‚ but if you put too much heat on the flask‚ the flask will break. Introducing more events/ problems to the situation is like a metaphor for turning up the heat. One example of “turning up the heat” is where the whole problem start‚ which is when Abigail is talking to her uncle Parris and denying
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The Coatesville Fire Case CJ 101 Unit 8 5/18/15 LeCompte‚ Nicole Kaplan University Abstract This paper is about the Coatesville fires in Pennsylvania in 2008. The fires were being randomly started with no reason. The fires were set by a group of people. The five suspects that were arrested were Robert Tracy Jr who was an assistant fire chief‚ (6 ABC Action News 2009)‚ a 19 year old teenager named Roger Leon Barlow‚ McWilliams who suffered from mental illness‚ George Donkewicz‚
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Fire Safety How can students prevent dorm fires? The answer to that question may seem simple but that doesn’t change the fact that residence hall fires are a growing problem in colleges across the nation. Students use of basic electronic cooking utensils such as microwaves‚ smoking products‚ candles or incense are all different entities that can start fires in dorms. Dorm room fires can lead to serious injury or possibly even death‚ but there are ways to prevent fires. Studies show that arson
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of planes and parachute into small fires and attack them before they have the chance to become large. The training the smoke jumpers underwent was extremely rigorous and challenging‚ even undergoing 3 weeks of training before each season. The USFS used a rotation basis to keep the men fresh so after a man fought a fire he was put at the bottom of the list of available fighters‚ thus the teams changed for every fire. Smoke jumpers were used to small ground fire caused by mistakes made by humans or
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