As an acid-free substance, hardboard is a viable medium for family portraits. Hardboard, a heavy type of fiberboard made from mechanical pulp, graces homes in the form of siding and more recently as artists' canvas. Hardboard comes in various finishes, thicknesses and types to mimic coarse chipboard, plywood or real wood.
Boeing Everett Factory. Largest usable space by volume. This building claims to be the outright biggest of the worldâs biggest buildings due to its mammoth volume. Some of the greatest planes ever built are assembled here, such as the wide-body Boeing 747, 767s, 777s, and the new 787 Dreamliner.
Burj Khalifa or Khalifa Tower (Arabic: Ø¨Ø±Ø¬ Ø®ÙÙÙØ©) is a very tall skyscraper in Dubai, United Arab Emirates and is the world's tallest building ever built, at 828m (2,717ft).Before the building opened, it was called Burj Dubai.urj Khalifa or Khalifa Tower (Arabic: Ø¨Ø±Ø¬ Ø®ÙÙÙØ©) is a very tall skyscraper in Dubai, United Arab Emirates and is the world's tallest building ever built, at 828m (2,717ft).