How old giant ship were repaired.Modern shipbuilding technology makes the shipbuilding process quick Ships after a long time operating at sea, in the sea environment and in harsh weather are often damaged in many places. They then need to be checked and maintained regularly to ensure their safety and performance. During the repair and maintenance of ships, workers are exposed to inherently hazardous working environments, working with hazardous chemicals, complex machinery and even at heights and enclosed spaces. . Then, to ensure the safety of the repair workers, even the ship itself, it is imperative that the shipyard has a Safety Management System. In addition, maintenance technicians are often under high pressure to keep ship downtime as low as possible and so working to respect their deadlines and technical expertise means Ship repair and maintenance is extremely difficult. Many years ago, I worked in the shipyard for a while - a ship came in (foreign flag). The captain had the money for needed repairs, but he spent most of it on the Captains quarters. Not on the needed repairs so the Coast Guard got involved and would not let him leave. It was scary at times I though we might step thru the deck. I was glad when they let the damn thing go.