The impeller is usually built into, or placed close to, the waste disposal unit, or dust collector. Guidelines of performance for woodworking LEV systems exist, and these tie into occupational air quality regulations that exist in many countries. The LEV guidelines often referred to are those set by the ACIAH.
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She was bound with curtains and strips of bedding, with her face covered with a trash bag and her body stashed in five large trash bags. These were placed inside a residential waste disposal unit and covered with sheets and garbage from Wendy's. The medical examiner said there was evidence that Christian slowly suffocated to death.
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In Felicia's kitchen, we see the result as she screams at the still bewitched Clyde ("Evil"). Eventually, she can no longer cope with the curse and tells Clyde to do something so he hits her with a frying pan. Suddenly free of Felicia he shouts that he's finally happy. However, with her dying breath, Felicia pulls Clyde's tie into the waste disposal unit and turns it on.
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These rely on air pulled with a suction force through piping systems from the point of dust formation to a waste disposal unit. LEV systems consist of four elements: dust hoods at the point of dust formation, ventilation ducts, an air cleaning device (waste separator or dust collector) and an air moving device (a fan, otherwise known as an impeller).Mutchler, J.E., 1973. Chapter 41: Local Exhaust Systems.
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Homer makes a comment on their situation with Otto, saying "This is not Happy Days and he is not The Fonz!" Otto then walks in and says to Homer, "Heeeeeyy, Mr. S," in reference to the long-running situation comedy. The song Otto plays on the school bus is "Free Bird" by Lynyrd Skynyrd. Otto's statement that he would prefer to be sleeping in a Dumpster brand trash container over a "Trash Co. Waste Disposal Unit" alludes to the word's status as a registered trademark for a brand of large trash containers.
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As they rush off to find Bruchner, Mel hears someone on her headphones, telling her to take the Doctor to Cabin 6. In the cargo hold, Lasky, Doland and Bruchner check the Hydroponics centre; the large pods inside are stable, but the Demeter seeds have been stolen from the small work cabin. At Cabin 6, the Doctor and Mel find the room has been wrecked and discover the silver Demeter seeds and a single boot. Rudge contacts Travers to inform him there has been an 'accident' in the waste disposal unit; someone has been thrown inside.
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Bo01s strong environmental profile is evident in many of the districts features. Solar cells and solar thermal collectors are present on many of the buildings, other renewable electricity is provided by the districts own wind turbine Boel situated in Norra Hamnen. The original plan envisioned a system of '100 per cent renewable energy', however energy consumption proved to be higher than estimated. Heating and cooling is provided through district heating and waste is disposed of in a number of ways – some houses are fitted with food waste grinders in sinks, others are supplied with paper bags which are dispensed into a vacuum waste disposal unit.
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The ideology behind the BPEO expresses concern for social improvements—in addition to the focus on economic viability, a reduction in overall resource consumption, and its’ associated environmental impacts—though, in reality, the methodology and practical resources used to determine the BPEO, by way of Life Cycle Assessment (LCA) and economic auditing tools, rely on strategic tools with little regard for the determining or monitoring of the practicality of social impacts. In fact, doctoral candidates from the Open University conducted a BPEO review that reinforces the aforementioned thinking—their findings support “the idea that LCA would allow a systematic examination of a waste management option and its environmental impacts both up-stream and down-stream of the waste disposal unit” though “there is little, if any, literature that considers the combination of LCA with financial and social modelling techniques” in determining the BPEO. These scholars go on to highlight the importance of considering the “international obligations, the national policy framework, and policy guidance at a local level” to effectively determine the BPEO—noting the fact that “none of these [social] factors can be considered by a financial model or LCA alone”.
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