Maintaining grounds adjacent to the building, such as: the cutting of grass, the planting of grass and flower seeds, the trimming of shrubbery (using and caring for power lawn mowers, hand mowers, and garden tools), the shoveling of snow and the keeping of walks and steps clear of ice during the winter, and the sweeping of walks and the keeping of grounds free of debris. Sweeping, washing, polishing, and vacuuming floors (concrete, asphalt tile, linoleum, vinyl tile, cork, terrazzo, marble, wooden tile, carpet), including the use of detergents, sawdust, mops, pails, and brooms, and the use and care of cleaning equipment (vacuum cleaners, waxing and polishing machines, and carpet cleaners).