At least one worker was killed when a tanker ship caught fire while undergoing repairs near Athens Monday.
More than two dozen firefighters and rescuers were involved in trying to extinguish the blaze.
"It was hell down there, so much smoke ... we didn't get oxygen tanks quickly enough to get to the men in the hull," welder Stelios Georgopoulos, who helped recover the dead worker's body, told The Associated Press.
Dock workers union representative Sotiris Poulikoyiannis blamed poor safety standards at the facility for the death.
"What we're hoping is that workers at this plant will wake up one day and feel sure that they'll return to their families at night," he said.