1. Tank body: The tank body is the main part of the round tank, usually made of metal (such as aluminum, steel) or plastic (such as polyethylene, polypropylene). The shape of the tank is usually cylindrical, but can be other shapes such as conical or spherical.
2. Lids/Flats: Round jars usually have a lid or lid that seals the jar. This may be a screw-on cap, gland or other form of sealing device. The lid is usually made of the same material as the tank, but other materials can be used.
3. Bottom: The bottom of a round tank is usually flat to provide stable support. The bottom can be made integrally with the tank or it can be a separate component.
4. Seals: In order to ensure the sealing of the round can, it is usually necessary to use a seal between the can body and the lid, such as a rubber gasket or sealing strip.
5. Handles/Handles: Some round jars will be equipped with handles or handles to make them easier to carry and use. These handles are usually affixed to the side of the tank or to the lid.
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