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ENERGY EFFICIENCY Key to Survival in the 21st Century 070822 Donald R. Wulfinghoff, P.E. Wulfinghoff Energy Services, Inc. Wheaton, Maryland USA 301 946 1196
... ducts are efficient transmitters of flame and smoke Air transport losses: losses in ducts, inefficient duct fittings, and terminal units Air leakage: ...
will become available. High cost of travel will motivate change without ... Educate existing designers. Provide a syllabus for training future designers. ...
Do not use dust it may clog it. Filtration. Construction of a slow sand filter ... The upper layer of sand will be clogged with dirt and too many good microbes ...