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2. MSA Safety - Wikipedia

   en.wikipedia.org/wiki/MSA_Safety

   Mine Safety Appliances, or MSA Safety Incorporated, is an American manufacturer and supplier of safety equipment designed for use in a variety of hazardous conditions in industries such as construction, the military, fire service, and chemical, oil, and gas production. [1] [2] MSA is based in the Pittsburgh suburb of Cranberry. [3]

3. What Makes Mine Safety Appliances Worth Owning? - AOL

   www.aol.com/2014/02/17/what-makes-mine-safety...

   The real-money Inflation-Protected Income Growth portfolio owns shares of Mine Safety Appliances . Mine Safety Appliances, like every company in that portfolio, earned its place because at the ...

4. Why Mine Safety Appliances' Stock Is Worth Owning - AOL

   www.aol.com/news/2012-12-18-why-mine-safety...

   The next selection for the newly launched Inflation-Protected Income Growth Portfolio is safety equipment manufacturer Mine Safety Appliances . While it may not exactly be a household name as a ...

5. Is Mine Safety Appliances' Stock Still Worth Owning? - AOL

   www.aol.com/2013/04/15/is-mine-safety-appliances...

   Mine Safety Appliances is a selection for the real-money Inflation-Protected Income Growth portfolio. Like any investment, it needs to be reviewed from time to time to see if it's still worth owning.

6. Powder-actuated tool - Wikipedia

   en.wikipedia.org/wiki/Powder-actuated_tool

   These tools were developed by Mine Safety Appliances, for the United States Navy. [4] Powder-actuated tools were investigated and used prior to this development; they were used in anti-submarine warfare during the First World War and were the subject of a 1921 United States patent (US Patent No. 1365869). [5]

7. List of corporations in Pittsburgh - Wikipedia

   en.wikipedia.org/wiki/List_of_corporations_in...

   330 Alcoa (metals/mining) 362 Dick's Sporting Goods (retail/consumer goods) 388 Wabtec ... Mine Safety Appliances (industrial) Viatris (medical) Large private companies

8. Is It Time to Sell Mine Safety Appliances' Stock? - AOL

   www.aol.com/news/2013-09-09-is-it-time-to-sell...

   Mine Safety Appliances is a selection for the real-money Inflation-Protected Income Growth portfolio. Like any investment, it needs to be reviewed from time to time to see whether it still ...

9. Methanometer - Wikipedia

   en.wikipedia.org/wiki/Methanometer

   A methanometer, next to an anemometer (left) and a safety lamp (right). A methanometer. A methanometer is an instrument used to measure methane gas in the air of a mine. The Mine Safety Appliances Company Ltd. manufactured the first type - W8 Methanometer around 1950 and it was approved for use by the Ventilation Regulations of 1947.