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Show . H j Washed Air to rnthe. ' "Dust docun't apputr to get Into 1 j your building," Midi i 'vu.-dtor to H ' H- T. Aborntliy. fihhl- ' tlio FIrist I National bank, "and tho p.. sociu? un- usually fresh, too." H "It's the worlt of thn nlr filter." M Htihl the cashier. "Tho e'r we breathe Hj hero comes Into tho bui: ling through B a shower." M Tho top of the nlr shnPou tho new tU bank building is nbov tho tops of 1 the surroun- ng chlmnc) . y means tU ' of n turbine far. tho a';- is drawn mU down tho shaft to tho basement, M through a continuous shower of cold mU I water, nnd in sent up through the H ventllnttng shafts. In tho winter this M i nlr Is hented as It Is sot from ()10 1 chowcr. Kan'as City Times. |