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  2. Pressure regulator - Wikipedia

    en.wikipedia.org/wiki/Pressure_regulator

    Regulators are used for gases and liquids, and can be an integral device with a pressure setting, a restrictor and a sensor all in the one body, or consist of a separate pressure sensor, controller and flow valve. Two types are found: The pressure reduction regulator and the back-pressure regulator.

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  4. List of U.S. states and territories by carbon dioxide emissions

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    Carbon emissions per capita, 2020 Carbon emissions per 1000 square miles, 2020. This is a list of U.S. states and territories by carbon dioxide emissions for energy use, [1] [2] as well as per capita [3] [4] and by area.

  5. Texas Comptroller of Public Accounts - Wikipedia

    en.wikipedia.org/wiki/Texas_Comptroller_of...

    The predecessor to the current comptroller's office started in 1846. The longest-serving Comptrollers in Texas history were Robert S. Calvert, who held the post for 26 consecutive years for an unprecedented twelve terms; George H. Sheppard, who served for 18 years over nine two-year terms; and Bob Bullock, who served for 16 years for four four-year terms and later was notable as one of the ...

  6. Regulator (automatic control) - Wikipedia

    en.wikipedia.org/wiki/Regulator_(automatic_control)

    Regulators can be designed to control anything from gases or fluids, to light or electricity. Speed can be regulated by electronic, mechanical, or electro-mechanical means. Such instances include; Electronic regulators as used in modern railway sets where the voltage is raised or lowered to control the speed of the engine

  7. Control of ventilation - Wikipedia

    en.wikipedia.org/wiki/Control_of_ventilation

    Ventilation is normally unconscious and automatic, but can be overridden by conscious alternative patterns. [3] Thus the emotions can cause yawning, laughing, sighing (etc.), social communication causes speech, song and whistling, while entirely voluntary overrides are used to blow out candles, and breath holding (for instance, to swim underwater).

  8. Petra Nova - Wikipedia

    en.wikipedia.org/wiki/Petra_Nova

    The original coal-fired plant entered commercial service in 1977, and the new carbon emissions reduction system was first put into operation on January 10, 2017.

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