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
Food rotation system Food rotation system A food rotation system is a front-loading shelving unit that organizes and rotates food cans on a first-in first-out basis (FIFO). An effective food rotation system is essential for storing food to prepare for catastrophes, preventing foodborne illness and controlling commercial kitchen costs. When used correctly, the first-in first-out food rotation method ensures serving safe food and eliminates spoiled food waste. Besides the shelving units used for food rotation, other systems exist with the same idea. These systems are especially present in the food and beverage type industries such as restaurants, cafes, bakeries, etc. where food is