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
Festival de Cans Festival de Cans The Cans Festival () is an annual short film festival held in the parish of Cans (O Porriño, Spain) that coincides with the near-homophonous Cannes Film Festival. The festival is organized by the Arela Cultural Association and coordinated by the scriptwriter Alfonso Pato. The festival takes over the whole village; Barns and basements change their normal uses to become cinema screens and the audience are ferried by locals to and from the screenings on two-wheel tractors, known locally as "chimpíns". Other free activities are also available to the public: concerts, parades and hiking routes. The Cans Festival