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.
With buildings dating back to 3000 BC, a fascinating look at the world's oldest structures that have stood the test of time. The Worldâs Oldest Structures: Megalithic Temples, Malta Dating back to 3500 to 2500 BC, the Megalithic Temples of Malta are some of the oldest structures in the world. As the name suggests, they are a group of stone temples older than Stonehenge and the Egyptian pyramids.