Home pregnancy tests that use colored streaks to indicate positive results may display an evaporation line (evap line). This is a colorless streak that occurs when urine dries on the test strip.

RR is a generator of syntax diagrams, also known as railroad diagrams. It is a self-contained tool with both a browser-based GUI and a batch mode. Besides generating diagrams from EBNF rules, RR also ...

WICHITA FALLS (KFDX/KJTL) — High winds and warm temperatures have caused the evaporation rate to rise at Lakes Arrowhead and Kickapoo. The combined levels fell 0.8% for a combined total of 67.1%.