The term âIndigoâ which is to describe the dark purple and blue colors of our Soul Auras. Highlights of violet, green, gold and white are also apparent. Crystal and Rainbow children are also named for their Aura. Typically, it seems, Crystal and Rainbow children are being born to Indigo parents.he term âIndigoâ which is to describe the dark purple and blue colors of our Soul Auras. Highlights of violet, green, gold and white are also apparent. Crystal and Rainbow children are also named for their Aura. Typically, it seems, Crystal and Rainbow children are being born to Indigo parents.
Board foot. A board foot (BF) is the unit of measurement for hardwood lumber. A board foot is 1 foot long x 1 foot wide x 1 inch thick. (1 foot = 0.305 metres, 1 inch = 25.4mm) The formula for determining board feet in a board is: (Width in inches x length in feet x thickness in inches) divided by 12. The percentages of clear wood required for each grade are based on this 12' unit of measure.
Explanation and glossary of lumber terms by Professor Eugene Wengert. May 2, 2001. The following is an article by Professor Gene Wengert that defines just what a board foot is. The original questions which spurred this post follow the article. The definition of a board foot is rather simple--one board foot is a piece of lumber that is 1 foot wide, 1 foot long and 1 inch thick, or its volumetric equivalent.