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2. Blowout preventer - Wikipedia

   en.wikipedia.org/wiki/Blowout_preventer

   (a) blind ram (b) pipe ram and (c) shear ram. The ram BOP was invented by James Smither Abercrombie and Harry S. Cameron in 1922, and was brought to market in 1924 by Cameron Iron Works. [3] A ram-type BOP is similar in operation to a gate valve, but uses a pair of opposing steel plungers, rams. The rams extend toward the center of the wellbore ...

3. Diesel exhaust fluid - Wikipedia

   en.wikipedia.org/wiki/Diesel_exhaust_fluid

   April 2020) (Learn how and when to remove this message) A 1.5-liter and a 10-liter AdBlue container Hino truck and its SCR next to the diesel particulate filter (DPF) with regeneration process by the late fuel injection to control exhaust temperature to burn off soot [ 1 ] [ 2 ] Passenger car using an AdBlue pump

4. California Smog Check Program - Wikipedia

   en.wikipedia.org/wiki/California_Smog_Check_Program

   A study by RAND Corporation showed the cost to the state, federal and private health insurers was over $193 million in hospital-based medical care. John Romley lead author of the study. said "California's failure to meet air pollution standards causes a large amount of expensive hospital care."

5. System Mechanic FAQs - AOL Help

   help.aol.com/articles/system-mechanic-faqs

   System Mechanic is a performance solution that first deploys a series of complex automated maintenance actions to help keep your PC stable and clutter-free, and then goes to work by precision-tuning dozens of internet, processor, memory, and hard drive settings in real time for maximum system speed and performance.Some of the features include:

6. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

   www.aol.com

   AOL latest headlines, entertainment, sports, articles for business, health and world news.

7. Wastewater treatment - Wikipedia

   en.wikipedia.org/wiki/Wastewater_treatment

   Sewage treatment plant (a type of wastewater treatment plant) in La Crosse, Wisconsin. Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment.