How It Works:

• It absorbs fluctuations in gas supply and demand.
• The gas tank moves up or down based on gas inflow and outflow.
• The water at the bottom forms a seal to prevent gas leakage.

Common Uses:

• Storage of natural gas, town gas, and industrial gases.
• Found worldwide, with some in operation for over a century.

Construction Materials:

• Water tanks are typically made of wood, brick, cast iron, steel, or concrete.