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
David Tsubouchi dented cans of tuna to 69 cents each. He also claimed that single mothers on welfare had ample time to find jobs, after having given a three-month warning for a 22% cut in benefits. Later, he prepared a sample menu which listed affordable food purchases for those whose welfare rates had been reduced. His list was found to have less nutritional value than the diet served to prisoners in Ontario jails. There were several calls for his resignation in the wake of these comments, and the right-wing "Toronto Sun" tabloid suggested that he should be removed. He remained with the