PETS

Portable manually operated tools with flexible surface treating whips through which a pressurized fluid is directed for cleaning, and preparing for analysis, surfaces bounding large storage spaces for containing flowable materials, namely, liquids, mixtures of solids and liquids, gels, suspensions, slurries and particulates, as in holds in ships, spaces in large tanks and storage containers, and accessories for the portable tools, namely, hoses, operating poles, brushes, working heads, and flexible whips