Home 28 degree angle tilt, and holding! Apparently, this is how they did the testing back in 1933 of these classic 60-person double-decker buses at the the London General Omnibus Company: (image via)Read more at http://www.darkroastedblend.com/2013/09/high-powered-laser-wonder-cleaning.html#UTTW1AKmCuQXdmjx.99 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading... Related