Before applying the recommended anti-seize lubricants, the threaded portion of the boltsand nuts should be cleaned until no foreign materials remain on the surface, andinspection (PT/MT) of the threads should be performed to confirm there are no cracks inthe threads. Broken bolts in locations such as the outer casing horizontal joint or valvehead covers can potentially result in high-pressure and high-temperature steam leakage,which has the potential to cause severe injury.