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  2. Vaillant Group - Wikipedia

    en.wikipedia.org/wiki/Vaillant_Group

    The history of the Vaillant Group dates back to 1874, when Johann Vaillant set up a master fitter's business. In 1894 Johann Vaillant patented a new "closed-system" gas-fired bathroom boiler. [3] This was the first device that made it possible to heat water hygienically, without contaminating it with combustion gases.

  3. Silver standards - Wikipedia

    en.wikipedia.org/wiki/Silver_standards

    Ninety-one (91) zolotniks have the equivalent millesimal fineness of 947[9]. Thus, the alloy contains 94.79% pure silver and 5.21% copper or other metals. [4] [5] Sterling silver has a millesimal fineness of 925. The sterling silver alloy is 92.5% pure silver and 7.5% copper or other metals.

  4. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.

  5. US Congress to form cryptocurrency working group - AOL

    www.aol.com/news/us-congress-form-cryptocurrency...

    WASHINGTON (Reuters) -U.S. Representative French Hill, a Republican who chairs the House Financial Services Committee, said on Tuesday lawmakers from both chambers of congress would form a working ...

  6. Kia recalling 80,000 vehicles over improper air bag deployment

    www.aol.com/kia-recalling-80-000-vehicles...

    The affected vehicles are the Kia Niro from 2023-2025, Niro EV from 2023-2025 and the Niro plug-in hybrid from 2023-2025.

  7. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    Indeed, if everyone is price taker, there is the need for a benevolent planner who gives and sets the prices, in other word, there is a need for a "price maker". Therefore, it makes the perfect competition model appropriate not to describe a decentralized "market" economy but a centralized one.

  8. Universal Music Group and Spotify strike new agreement - AOL

    www.aol.com/news/universal-music-group-spotify...

    It has also raised prices of its U.S. plans to capitalize on demand for its premium products. (Reporting by Rishabh Jaiswal in Bengaluru; Editing by Richard Chang) Show comments.

  9. Fineness - Wikipedia

    en.wikipedia.org/wiki/Fineness

    A refiner doing $1 billion of business each year that marked .980 pure bars as .999 fine would make about an extra $20 million in profit. In the United States, the actual purity of gold articles must be no more than .003 less than the marked purity (e.g. .996 fine for gold marked .999 fine), and the actual purity of silver articles must be no ...