Back before 1956 all supplies and goods that you would want to ship overseas on a large transportation ship would be packaged in barrels or boxes, then hauled onto a truck or other transportational vehicle by workers, then drove to a shipping dock, unloaded the barrels and boxes, then dock workers would carry the goods up onto the ship, the ship would sail to another dock, get unloaded by dock workers, loaded onto another truck or other transportational vehicle and driven to a store or factory that bought the shipped goods. The loading and unloading process was very labor intensive work since there were so many barrels and boxes that needed loading and unloading it was hard for the dock workers to do it all. Another problem with it was that when a ship was being unloaded it wasn’t making money and it wasn’t shipping goods. Another bad aspect of it for the seller and was that when you ship 478 barrels of rice over the sea on a ship it was very easy for the captain and crew to steal a barrel or two. The dock workers could also steal a barrel of rice. So now the rice seller doesn’t get paid for 478 barrels of rice, instead they get paid for 475 barrels of rice since 3 of them got stolen. The seller also can’t prove it was the captain who stole them so the captain and crew get fully paid. A truck dealer named Malcolm McLean found that he couldn’t ship his 18-wheeler trucks since they were to big. So he designed a large metal container that could fit an 18-wheeler in it. It became the standard container for shipping and nullified the above problems.
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