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2. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   Oxy-fuel welding (commonly called oxyacetylene welding, oxy welding, or gas welding in the United States) and oxy-fuel cutting are processes that use fuel gases (or liquid fuels such as gasoline or petrol, diesel, biodiesel, kerosene, etc) and oxygen to weld or cut metals. French engineers Edmond Fouché and Charles Picard became the first to ...

3. Pressure regulator - Wikipedia

   en.wikipedia.org/wiki/Pressure_regulator

   The conceptual difference is mainly in which side the feedback is taken from. A pressure regulator is a valve that controls the pressure of a fluid to a desired value, using negative feedback from the controlled pressure. Regulators are used for gases and liquids, and can be an integral device with a pressure setting, a restrictor and a sensor ...

4. Diving regulator - Wikipedia

   en.wikipedia.org/wiki/Diving_regulator

   Diving regulator: The most familiar type is the single-hose open circuit scuba regulator, with first and second stages, low pressure inflator hose and submersible pressure gauge. Other names. Demand valve. Uses. Reduces pressurized breathing gas to ambient pressure and delivers it to the diver. Inventor.

5. Shutterfly 30 free photo prints - AOL

   www.aol.com/news/2010-05-25-shutterfly-30-free...

   Get 30 free photo prints from Shutterfly.com for starting an online account with them. Use coupon code RCATHIRTY, which expires May 27, 2010. You pay shipping, handling, and taxes. If you buy 50 ...

6. 25 free photo prints from Shutterfly - AOL

   www.aol.com/news/2010-07-28-25-free-photo-prints...

   Get 25 4" x 6" photos prints for free at Shutterfly now until July 31, 2010. Use coupon code PRINTSNOW. Unclear if it is case sensitive. You pay for taxes, shipping, and handling. If you order 50 ...

7. Get 50% off all Shutterfly orders just in time for ... - AOL

   www.aol.com/50-off-shutterfly-orders-just...

   SAVE 50%: As of Jan. 28, use code 50OFF to get half off any Shutterfly order, and use code SHIP49 for free shipping on orders over $49. Valentine's Day is quickly approaching, so it's time to ...

8. Self-contained breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Self-contained_breathing...

   An open circuit SCBA typically has three main components: a high-pressure gas storage cylinder, (e.g., 2,216 to 5,500 psi (15,280 to 37,920 kPa), about 150 to 374 atmospheres), a pressure regulator, and a respiratory interface, which may be a mouthpiece, half mask or full-face mask, assembled and mounted on a framed carrying harness. [2]

9. Emergency service response codes - Wikipedia

   en.wikipedia.org/wiki/Emergency_service_response...

   In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens. Alternatively, sirens may be used if necessary ...