Underwater pipelines are structures designed to transport liquids and gases beneath bodies of water, such as oceans and rivers. They are commonly used for transporting oil, natural gas, and water over long distances. These pipelines are built to withstand high pressure and harsh underwater conditions, ensuring safe and efficient delivery of resources. The construction of underwater pipelines involves specialized techniques and materials to prevent leaks and damage. Engineers use advanced technology to monitor the pipelines for any issues, ensuring they remain safe and functional. Regular maintenance and inspections are crucial to prolonging the lifespan of these vital infrastructure systems.