Tuesday, May 31, 2011
Height requirements vary across states and countries, and may include additional rules such as requiring a white flashing strobe in the daytime and pulsating red fixtures at night. Structures over a certain height may also be required to be painted with contrasting color schemes such as white and orange or white and red to make them more visible against the sky.
Monday, May 23, 2011
Sunday, May 22, 2011
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