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2. Bohemian glass - Wikipedia

   en.wikipedia.org/wiki/Bohemian_glass

   Bohemian glass-workers discovered potash combined with chalk created a clear colourless glass that was more stable than glass from Italy. In the 16th century the term Bohemian crystal was used for the first time to distinguish its qualities from glass made elsewhere. This glass contained no lead as is commonly suspected.

3. Photochemical machining - Wikipedia

   en.wikipedia.org/wiki/Photochemical_machining

   Photochemical machining. Photochemical machining ( PCM ), also known as photochemical milling or photo etching, is a chemical milling process used to fabricate sheet metal components using a photoresist and etchants to corrosively machine away selected areas. This process emerged in the 1960s as an offshoot of the printed circuit board industry.

4. Push-to-pull compression fittings - Wikipedia

   en.wikipedia.org/wiki/Push-to-pull_compression...

   A push-in compression coupling and tee. Push-to-pull, push-to-connect, push-in, push-fit, or instant fittings are a type of easily removed compression fitting or quick connect fitting that allows an air (or water) line to be attached, nominally without the use of tools (a tool is still usually required for cutting tubing to length and removal).

5. List of copper alloys - Wikipedia

   en.wikipedia.org/wiki/List_of_copper_alloys

   Easy to machine; ornaments, plumbing : Cupronickel (ASTM B111, B171) Cu 88.35, Ni 10.0, Fe 1.25, Mn 0.4 Annealed 22 44 45 – Condensor, salt-water pipes Cold-drawn tube 57 60 15 – Cupronickel Cu 70.0, Ni 30.0 Wrought – – – – Heat-exchange equipment, valves Ounce metal Copper alloy C83600 (also known as "Red brass" or "composition ...

6. Why the Fed might need to 'get on with it' and cut rates - AOL

   www.aol.com/finance/why-fed-might-cut-rates...

   ANNUAL INFLATION RATE SINCE 2019. With inflation falling and the economy slowing, Renaissance Macro's Neil Dutta believes it's time for the "Fed to get on with it" and begin cutting interest rates ...

7. Shiny Brite - Wikipedia

   en.wikipedia.org/wiki/Shiny_Brite

   The Shiny Brite company produced the most popular Christmas tree ornaments in the United States throughout the 1940s and 1950s. In 1937, Max Eckardt established Shiny Brite ornaments, working with the Corning Glass company to mass-produce glass Christmas ornaments. Eckardt had been importing hand- blown glass balls from Germany since around ...