These handy little machines roam about your home searching for errant crumbs to devour, pet fur to suck up, and whatever else they obtain and fit into their little bodies. They don't whine and complain concerning much they hate to hoover the carpets. Plus, they not bump into everything in sight leaving dents, nicks, and scuff-marks. Hoover improved the old vacuum cleaners and made them look much more like the ones we see around presently. He created new and improved attachments, brushes to cl...