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Vacuum Cleaner: working principle, design, selection, maintenance

Dust in the House contains the bacteria, fungal, allergic particles, mist, and  environmental contaminants like perfluorooctanoic acid (PFOA), carbon dioxide, nitrous and sulfur oxides. Environmental contaminant concentration increase drastically in cities and metros due to the automobiles. Vacuum Cleaner is one of the solution to get clean environment in the house. It helps in reducing the



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Vacuum Cleaner: working principle, design, selection, maintenance

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