1 Largest stones over 40 tons were moved 18 miles (29 km), smaller bluestones up to 5 tons were moved 130 miles (210 km). 2  Trajan's column Rome, Italy. 3  Forty-ton drums. 4  The capital block of Trajan's Column weighs 53.3 tons.
37 Million Blueprints Are Printed Every Year. Before construction begins on a job site, blueprints will be printed and re-printed numerous times over by architects, project managers, building owners, engineers and contractors. Our local repographics shop gets an average of 35 print requests a day from this crowd.
Blueprint paper is a specially-coated paper that turns blue where it is exposed to light, while areas kept in the dark remain white. Blueprints were one of the first ways to make copies of plans or drawings. Here's how to make blueprint paper yourself.ake Blueprint Paper. 1  In a very dim room or in the dark: pour the potassium ferricyanide and iron(III) ammonium citrate solutions together into a petri dish. 2  Stir the solution to mix it.