In addition, the racking strength of. wails with let-in corner braces, which forms the. basis for acceptance criteria, was evaluated. Strength of wails with let-in corner. braces, but without horizontal board. sheathing, averaged less than 2/3 of the 5,200. pound value specified by FHA.
FRAC: Food Research and Action Center: FRAC: First Responder Authentication Credential: FRAC: Foreseeable Risk Analysis Center
Definition of PARSEC. : a unit of measure for interstellar space that is equal to 3.26 light-years and is the distance to an object having a parallax of one second as seen from points separated by one astronomical unit.ADVERTISEMENT.par allax + sec ond. a unit of measure for interstellar space that is equal to 3.26 light-years and is the distance to an object having a parallax of one second as seen from points separated by one astronomical unit. ADVERTISEMENT.