In comparison to the rest of 980, he appears to be a crippled person. I wouldn't have bought it if I'd known it would be this bad. The following are the advantages: It's helpful that it's compatible with the 980. It offers wet cleaning as soon as you start dry cleaning at 980. (That's the last respectable thing to say.) Inconveniences are listed below: It was customary practice to construct the apartment map only after the fourth run through. Maintains a rut until the cleanup is done. It can repeatedly slice through the same barrier without slowing down or learning its location. Nevertheless, this solution fails if, after the map has been constructed, you wish to clean a single room located directly behind another room that does not require washing; doing so would simply finish cleaning the area and flag an insurmountable barrier. Concerned about the finish deteriorating. In-floor heating convectors that don't require any drips are another matter entirely.