8 Hand-operated tools and implements for treating floors and walls in and on buildings, for removing floor coverings and laying floors, parquets, tiles, concrete and screed, namely, applicator guns for adhesives, paste applicator and scraper rollers, blade agitators, paddle agitators, rakes, ladles; hand operated tools and implements for treating floors and floor coverings, in particular knives, hand grinders, scrapers, trowels doctor blades, scribers, marking tools, spatulas; hand tools and implements, in particular, blades for hand saws, shears, carpet knives, scaling knives, trowels and spatulas for applying levelling compounds, primers and adhesives on floors, walls and ceilings; hand tools, namely manually-operated grinding wheels for parquet