"Plasma Converter is essentially an electrochemical system that, while safely destroying wastes, even hazardous wastes, converts those materials into useful and valuable commodity products"
https://www.waterworld.com/drinking-water/potable-water-quality/article/16204025/startech-environmental-provides-update-on-plasma-converter-system-for-hazardous-waste
"A vacuum cleaner, also known simply as a vacuum or a hoover, is a device that causes suction in order to remove dirt from floors, upholstery, draperies, and other surfaces. It is generally electrically driven."
https://en.wikipedia.org/wiki/Vacuum_cleaner
