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Typical O-ring and application. An O-ring, also known as a packing or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, forming a seal at the interface.
Köhler illumination is a method of specimen illumination used for transmitted and reflected light (trans- and epi-illuminated) optical microscopy.Köhler illumination acts to generate an even illumination of the sample and ensures that an image of the illumination source (for example a halogen lamp filament) is not visible in the resulting image.
In 2013, the Swedish company Orbital Systems introduces their first shower, the launching company being a spinoff from a NASA internship. [6] It comprises a closed-loop system where the water is purified using a replaceable filter. These filter out particulate matter and microbes from drain water before sending the water back through the head. [7]
Kohler Co., is an American manufacturing company founded in 1873 by John Michael Kohler, based in Kohler, Wisconsin. [3] Kohler is best known for its plumbing products, but the company also manufactures furniture , cabinetry , tile , engines , and generators .
This dry excreta management system (or "dry sanitation" system) is an alternative to pit latrines and flush toilets, especially where water is scarce, a connection to a sewer system and centralized wastewater treatment plant is not feasible or desired, fertilizer and soil conditioner are needed for agriculture, or groundwater pollution should ...
Diagram of the various groups of the Red Orchestra. The name Rote Kapelle was a cryptonym that was invented for a secret operation started by Abwehrstelle Belgium (Ast Belgium), a field office of Abwehr III.F in August 1941 and conducted against a Soviet intelligence station that had been detected in Brussels in June 1941. [10]
The common cake of soap used in the tub or shower was familiarly called "soap" or "bath soap"; the term "bar soap" arose with the advent of soaps in liquid and gel form. Black Licorice In North America , licorice is often called "black licorice" to distinguish it from similar confectionery varieties that are not flavored with licorice extract ...