Pressure testing is a method used to check the integrity of systems, such as pipelines or vessels, by applying a specific pressure to ensure they can withstand operational conditions. This process helps identify leaks, weaknesses, or potential failures in materials, ensuring safety and reliability in various industries, including oil and gas and construction. During pressure testing, the system is filled with a fluid, often water or air, and the pressure is increased to a predetermined level. The system is then monitored for any drops in pressure, which may indicate leaks. This testing is crucial for maintaining the safety standards of equipment and infrastructure.