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A non-stretchable cord of appropriate length (or a thin wire on an architectural scale drawing) can be used to check for the adequate reach of a vacuum hose. [5] The routing and design of the vacuum piping layout are very similar to drain-waste-vent (DWV) plumbing, with the exception that pipe pitch or gradient for drainage is not required ...
Robotic vacuum cleaner on a hardwood floor. A robotic vacuum cleaner, sometimes called a robovac or a roomba as a generic trademark, is an autonomous robotic vacuum cleaner which has a limited vacuum floor cleaning system combined with sensors and robotic drives with programmable controllers and cleaning routines.