Polyurethane fabrics can be manufactured in different thicknesses, depending on their intended use. For example, fabric used in diapers may be thinner than fabrics used for camping gear. Polyurethane fabrics are manufactured to feature a variety of characteristics. In situations where fuel contact is likely, the fabric can be made fire-retardant.
Oldest Wooden Building in the World. World's Oldest Wooden Building, is a five-story pagoda, part of HÅryÅ«-ji (Meaning: Temple of the Flourishing Law) Buddhist temple complex in Ikaruga, Nara Prefecture, Japan. The temple complex was completed in 607 AD.
OLDEST: Pons Fabricius â Built in 62 BC this Roman bridge connecting Campus Martius to Tiber Island still exists in its original state and has been in continuous use since its construction. The bridge is 203ft long and 18ft wide and is made up of rocks, bricks and limestone. TALLEST Millau Bridge â This stunning cable stayed vehicular bridge in France is the tallest in the world, with one mast reaching a height of 1,125ft. On cloudy days the bridge appears to almost float on the clouds.