Buying another jar of soft drink, consider the following – aluminum cans always be recyclable. Unlike plastic, aluminum will not deteriorate, no matter how many times it is melted and used again. Aluminum cans, of course, very light. It must be hard to imagine that they are made from a huge roll of aluminum sheet and weighing 9 tons! The width of the sheet about half a metre and one roll is enough for the manufacture of 750,000 cans.


Even the ancient Romans realized that to quickly get to the farthest provinces of the Empire is possible only in the presence of good roads. This truth was so obvious that laying them in the Roman Empire became a matter of national importance. In the end, the well-preserved Roman road with broken cars still line function somewhere in the twenty-first century.
IN THE ROOM: