- Origine : Merchant navy ships and fishing boats.
- Description : Plastic cans with a capacity of 20 liters. Various colors.
Format used in industry and mechanics. They are lost at sea by commercial vessels or thrown overboard after use. Some can be cut in the direction of height or length and served as a storage box during mechanical disassembly on ships. Some are still tied to a rope and served as a floating buoy for the fishing trap. They can also be used to make fishing pots in a traditional way.