“…A conventional shipyard operation involves a complex activity [12] concerned with the design and fabrication process. However, these types of shipyards differ in operations for each segment performed on the yard, as shown in Figure 2 [13][14][15][16][17][18]. A shipbuilding and ship repairing have many industrial processes such as cutting, surface treatment, blasting, painting and coating, solvent cleaning, degreasing, welding, and fiberglass manufacturing [19].…”