Valve covers used in the Mission Bay Project of San Francisco to differentiate reclaimed water from potable water are in the shape of a Reuleaux triangle.
Bermuda Triangle | Research Triangle Park | Research Triangle | Encyclopedia of Triangle Centers | Sunni Triangle | Pascal's triangle | love triangle | Iron Triangle | Bizarre Love Triangle | Virginia Triangle | Triangle of U | Triangle Fraternity | Triangle Film Corporation | Princeton Triangle Club | Mara Triangle | Love triangle | Ilemi Triangle | Bermuda Triangle (album) | Battle of Triangle Hill | Triangle wave | Triangle Transit | Triangle Island | The Incomplete Triangle | Sierpinski triangle | Reuleaux tetrahedron | Platinum Triangle | pink triangle | Pedal triangle | Parliamentary Triangle, Canberra | Parliamentary Triangle |