CNN Anderson Cooper 360 May 24, 2013 02:45:00
Many companies offer a variety of steel and concrete structures boasting an array of extra security measures and strength. >> each one of these anchor bolts has a 10,000 pound sheer strength. but so by putting one every fot around here, you can more than withstand any storm. >> the challenge has always been economics. even simple storm sheters can cost thousands of dollars. and as bad as these storms can be, even in the most tornado-prone areas, most home wills never be hit. >> it's about the money and statistics. an f-5 tornado is very, very rare. they don't happen very often. >> still, propo...
Source: archive.org