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  2. List of cooking vessels - Wikipedia

    en.wikipedia.org/wiki/List_of_cooking_vessels

    Porringer – a shallow bowl, 4–6 inches (10–15 cm) in diameter, and 1.5–3 inches (3.8–7.6 cm) deep; the form originates in the medieval period in Europe and they were made in wood, ceramic, pewter and silver. A second, modern usage, for the term porringer is a double saucepan similar to a bain-marie used for cooking porridge.

  3. Black+Decker - Wikipedia

    en.wikipedia.org/wiki/Black+Decker

    1910 – "The Black & Decker Manufacturing Company" was founded by S. Duncan Black (1883–1951) and Alonzo G. Decker (1884–1956) as a small machine shop in Baltimore in September. Decker, who had only a seventh grade education, had met Black in 1906, when they were both 23-year-old workers at the Rowland Telegraph Company.

  4. Oven - Wikipedia

    en.wikipedia.org/wiki/Oven

    A double oven A ceramic oven. An oven is a tool that is used to expose materials to a hot environment. Ovens contain a hollow chamber and provide a means of heating the chamber in a controlled way. [1] In use since antiquity, they have been used to accomplish a wide variety of tasks requiring controlled heating. [2]

  5. Black & Decker Workmate - Wikipedia

    en.wikipedia.org/wiki/Black_&_Decker_Workmate

    Black & Decker had trouble keeping up with demand for the Workmate in the UK, but was still unconvinced of how well the Workmate would be accepted in the United States. As a test of demand, the UK-manufactured Workmate WM325 was introduced to the United States market in 1974 as the Model 79-001 Type E ("E" for England).

  6. Steam separator - Wikipedia

    en.wikipedia.org/wiki/Steam_separator

    In piston engines, water can accumulate in the cylinders and cause a hydraulic lock which will damage the engine; In thermal power stations, water droplets in high velocity steam coming from nozzles (or vanes) in a steam turbine can impinge on and erode turbine internals such as turbine blades.

  7. Iron-oxidizing bacteria - Wikipedia

    en.wikipedia.org/wiki/Iron-oxidizing_bacteria

    The anoxygenic phototrophic iron oxidation was the first anaerobic metabolism to be described within the iron anaerobic oxidation metabolism. The photoferrotrophic bacteria use Fe 2+ as electron donor and the energy from light to assimilate CO 2 into biomass through the Calvin Benson-Bassam cycle (or rTCA cycle) in a neutrophilic environment (pH 5.5-7.2), producing Fe 3+ oxides as a waste ...

  8. Direct reduced iron - Wikipedia

    en.wikipedia.org/wiki/Direct_reduced_iron

    Direct reduction processes can be divided roughly into two categories: gas-based and coal-based. In both cases, the objective of the process is to remove the oxygen contained in various forms of iron ore (sized ore, concentrates, pellets, mill scale, furnace dust, etc.) in order to convert the ore to metallic iron, without melting it (below 1,200 °C (2,190 °F)).

  9. Sewage sludge treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_sludge_treatment

    Water removal is the primary means of weight and volume reduction, while pathogen destruction is frequently accomplished through heating during thermophilic digestion, composting, or incineration. The choice of a sludge treatment method depends on the volume of sludge generated, and comparison of treatment costs required for available disposal ...