With more than 300 days of sunshine every year, the odds that weather in Las Vegas will be good to you are in your favor. more... That's more sunshine, more pool time, more golf time and more sightseeing. When you're socked in with snow, we're enjoying mild days with a light jacket and a smile.
The small black diamonds, or triangles (diamonds are more commonly found), on the top scale of the tape measure starting at 19.2 inches are for truss layouts for 8-foot sheet goods. They are also known as the black truss markings. They provide a quick visual for the tape user and speed up the measuring process.
Measure the length: Hold a tape-measure or a measuring stick along the longest outer side of the box. Hold the 0-end of the measure against one corner of the box, then stretch the tape along the length of the long side to the adjacent corner. Record the length.