Canning novelty. Early methods of manufacture employed poisonous lead solder for sealing the cans. Studies in the 1980s attributed the lead from the cans as a factor in the disastrous outcome of the 1845 Franklin expedition to chart and navigate the Northwest Passage. Later studies found this to be false. Increasing mechanization of the canning process, coupled with a huge increase in urban populations across Europe, resulted in a rising demand for canned food. A number of inventions and improvements followed, and by the 1860s smaller machine-made steel cans were possible, and the time to cook food in sealed cans had
Val de Cans International Airport site where an airport was to be built. The Directorate of Civil Aeronautics, an agency of the Ministry of Traffic and Public Works, would be in charge of the work. Val de Cans began its history as land track running along the east/west axis with 1,200m. The facility comprised a courtyard, a hangar and a parking structure of concrete for military aircraft, which later became known as "Yellow Hangar." With the outbreak of World War II air bases and airports located on the Brazilian coast became immensely important in the support of transportation of aircraft, personnel and equipment across the