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2. French catheter scale - Wikipedia

   en.wikipedia.org/wiki/French_catheter_scale

   The Charrière is measured by the ''outer'' diameter, and is defined as 1 Fr = 1/3 mm, and thus 1 mm = 3 Fr; therefore the diameter of a round catheter in millimetres can be determined by dividing the French size by 3. [2] The French units roughly correspond to the outer circumference of the catheter (see table below). For example, if the ...

3. Foley catheter - Wikipedia

   en.wikipedia.org/wiki/Foley_catheter

   The relative size of an indwelling urinary catheter is described using French units (Fr). [6] Alternatively, the size of a 10 Fr catheter might be expressed as 10 Ch (Charriere units – named after a 19th century French scientific instrument maker, Joseph-Frédéric-Benoît Charrière). The most common sizes are 10 Fr to 28 Fr. 1 Fr is ...

4. French drain - Wikipedia

   en.wikipedia.org/wiki/French_drain

   A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.

5. This Drain Mistake Could Be Costly - AOL

   www.aol.com/drain-mistake-could-costly-205600754...

   A French drain is a trench that diverts water away from an area where it's pooling to a lower elevation where it can be released, explains Mike Arnold, director of The Gardens at Texas A&M ...

6. File:French drain diagram.jpg - Wikipedia

   en.wikipedia.org/wiki/File:French_drain_diagram.jpg

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7. Nominal Pipe Size - Wikipedia

   en.wikipedia.org/wiki/Nominal_Pipe_Size

   Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

8. 6 ways to prevent holiday illness: Ask a doctor

   www.aol.com/6-ways-prevent-holiday-illness...

   Jesus Lizarzaburu, MD, a family physician with TPMG Grafton Family Medicine in Yorktown, Virginia, also recommends taking vitamin C a few weeks before the holiday season starts to help prevent ...

9. Lawyer helping RFK Jr. hire health staff petitioned FDA to ...

   www.aol.com/rfk-jr-lawyer-petitioned-government...

   The lawyer helping RFK Jr. pick federal health officials for the Trump administration has a history of suing the government agencies that the cabinet pick will oversee.