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.
Perhaps the most recognizable structure in the world is the Eiffel Tower located Paris, France. It was specifically constructed as the entrance gate into the World Fair that took place in the city in 1889. This fair was hosted to celebrate the centenary celebration of the French Revolution. Looking at the massive iron structure, people always want to know how long did it take to build the Eiffel Tower. It took 2 years, 2 months and 5 days to build the tower, a feat that is truly remarkable considering that the builders did not have access to modern gadgets and tools that are present today. The tower is named after the builder and architect, who designed it.