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2. Low-flow fixtures - Wikipedia

   en.wikipedia.org/wiki/Low-flow_fixtures

   Kitchen and bathroom faucets were limited to a flow rate of 2.2 gpm (gallons per minute) at 60 psi, and residential shower heads were limited to a flowrate of 2.5 gpm at 80 psi. [ 3 ] In response to an increasing number of water shortages and increased water utility rates there has been recent legislation by many states leading the way in water ...

3. Residential water use in the U.S. and Canada - Wikipedia

   en.wikipedia.org/wiki/Residential_water_use_in...

   In an average home, showering is the second largest water use after toilets. The average shower uses 15.8 gallons (59.7 liters) and lasts for 7.7 minutes at average flow rate of 2.1 gallons per minute (gpm) (7.9 liters per minute). [1] On average, in a household of average size (2.65 persons) 12.4 showers are taken each week.

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   The heating element of an electric shower is immersed in the water stream, using an often replaceable nichrome resistive heating element which is often not sheathed and electrically isolated, in which case isolation is provided by earthing electrodes that directly touch the water before it exits the head. Electric shower heads with sheathed and ...

5. K-factor (fire protection) - Wikipedia

   en.wikipedia.org/wiki/K-factor_(fire_protection)

   K-Factors have also previously been calculated and published using the United States customary units of pound per square inch (psi) and gallon per minute (gpm). Within the United States, US measurements are still often used instead of metric.

6. List of best-selling mobile phones - Wikipedia

   en.wikipedia.org/wiki/List_of_best-selling...

   The Nokia 1100 (shown here) and 1110 are the best-selling handsets. [1] [2] The iPhone 6 and 6 Plus are the best-selling smartphones. [3] [2] This is a list of best-selling mobile phones. The best-selling mobile devices are the bar phone Nokia 1100 and Nokia 1110, released in 2003 and 2005, respectively. Both models have sold over 250 million ...

7. Ward's 10 Best Engines - Wikipedia

   en.wikipedia.org/wiki/Ward's_10_Best_Engines

   Wards 10 Best Engines is an annual list of the ten "best" automobile engines available in the U.S. market, that are selected by Wards AutoWorld magazine. The list was started in 1994 for model year 1995, and has been drawn every year since then, published at the end of the preceding year.