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Fresh cleaning agents or parts thereof have to be supplemented, which requires a bath control. The latter is more and more facilitated online and thus allows a computer aided change of the bath. With the help of oil separators, demulsifying agents and evaporators, aqueous processes can be conducted 'wastewater free'.
A hand scraper is a single-edged tool used to scrape metal or other materials from a surface. This may be required where a surface needs to be trued, corrected for fit to a mating part, retain oil (usually on a freshly ground surface), or be given a decorative finish. Surface plates were traditionally made by scraping. [1]
Shellac comes from shell and lac, a partial calque of French laque en écailles, 'lac in thin pieces', later gomme-laque, 'gum lac'. [6] Most European languages (except Romance ones and Greek) have borrowed the word for the substance from English or from the German equivalent Schellack.
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Chemical process and petroleum refining, where they are used for seals, pumps, gaskets and so on, due to their resistance to chemicals; Analysis and process instruments: separators, diaphragms, cylindrical fittings, hoops, gaskets, etc. Semiconductor manufacturing; Food and pharmaceutical, because of their low degradation, also in contact with ...
The uses of nitrile rubber include disposable non-latex gloves, automotive transmission belts, hoses, O-rings, gaskets, oil seals, V belts, synthetic leather, printer's form rollers, and as cable jacketing; NBR latex can also be used in the preparation of adhesives and as a pigment binder. [citation needed]
The Sunbury earth rings were formed by scraping off grass and topsoil, and piling it in a circular ridge around the outside. They measure between 10 – 25 m diameter. Three of the rings are in close proximity and two others several kilometres away. All are on gently sloping sites.
Industrial Filter press. An industrial filter press is a tool used in separation processes, specifically to separate solids and liquids.The machine stacks many filter elements and allows the filter to be easily opened to remove the filtered solids, and allows easy cleaning or replacement of the filter media.