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2. List of U.S. National Water Ski Championships champions

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

   Barbara Clack Dicksie Ann Hoyt Barbara Clack Dicksie Ann Hoyt 1966 Miami, Florida Tom Decker Roland Hillier Paul Merrill Paul Merrill Barbara Clack Barbara Clack Barbara Clack Barbara Clack 1967 Austin, Texas Chuck Stearns Alan Kempton Jim Jackson Chuck Stearns Stephanie Stephens Weslie Walker Barbara Clack Wesley Walker 1968 Canton, Ohio

3. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   Brine draw: Water is directed through a jet pump, which pulls salt water from the brine tank, before the water and brine pass through the resin bed in the normal direction, if co-current, or in the reverse direction, if counter-current. [12] The output of this typically thirty-minute process is discarded through the drain hose.

4. Steam locomotive components - Wikipedia

   en.wikipedia.org/wiki/Steam_locomotive_components

   Collects steam at the top of the boiler (well above the water level) so that it can be fed to the engine via the main steam pipe, or dry pipe, and the regulator/throttle valve. [2] [5] [6]: 211–212 [3]: 26 Air pump / Air compressor Westinghouse pump (US+) Powered by steam, it compresses air for operating the train air brake system.

5. Spacers and standoffs - Wikipedia

   en.wikipedia.org/wiki/Spacers_and_standoffs

   In general, a spacer is a solid material used to separate two parts in an assembly. Spacers can vary in size from microns to centimeters. They can be made of metal, plastic, glass, and other materials. Shapes include flat sheet, cylindrical and spherical. Two sizes of metal standoffs and one plastic standoff.

6. Stuffing box - Wikipedia

   en.wikipedia.org/wiki/Stuffing_box

   The stuffing box prevents water from entering the boat's hull. In many small fiberglass boats, for example, the stuffing box is mounted inboard near the point the shaft exits the hull . The "box" is a cylindrical assembly, typically of bronze, comprising a sleeve threaded on one end to accept adjusting and locking nuts.

7. Belleville washer - Wikipedia

   en.wikipedia.org/wiki/Belleville_washer

   Counting from one end of the stack, group by the number of adjacent washers in parallel. For example, in the stack of washers to the right, the grouping is 2-3-1-2, because there is a group of 2 washers in parallel, then a group of 3, then a single washer, then another group of 2. The total spring coefficient is:

8. Dean–Stark apparatus - Wikipedia

   en.wikipedia.org/wiki/Dean–Stark_apparatus

   This equipment can be used in cases other than simple removal of water. One example is the esterification of butanol with acetic acid catalyzed by sulfuric acid. The vapor contains 63% ester, 29% water and 8% alcohol at reflux temperature and the organic layer in the trap contains 86% ester, 11% alcohol and 3% water which is reintroduced.