two tugboats with blue hull and white and yellow superstructure moored.

vehicle ship watercraft boat sea channel tugboat waterway ferry transport harbor port coast two tugboats blue hull white yellow superstructure moored pier fenders posorja container terminal assisting hull boat business cargo ship commercial container crane dock ecuador export fender freight harbor import industrial industry logistics maneuvering maritime moored nautical navigation ocean patrol pilot port posorja protection safety sea security service shipping technology terminal towboat towing trade transport transportation tug tugboat vessel water wharf white