Container shipping is different from conventional shipping because it uses 'containers' of various standard sizes. The two most important, and most commonly used sizes today, are the 20-foot and 40-foot lengths. The 20-foot container is mostly use by Triferto to load, transport, and unload fertilizers all over the world. Triferto takes care of a proper loading. An important procedure to guarantee the safety and stability of the containers and the ships, trucks and trains that transport the containers.