In the first phase of World War II, the number of factory workers exceeded 1,000, however, by 1944 only 200 workers remained in the plant. During German ownership, several welfare measures were introduced: the sports complex was rebuilt, new social institutions were established, and the workers received higher salaries. Their unions were active, and jubilee celebrations for old workers were regular in the factory.
Despite all this, the Nazi and then the Arrow Cross influence became increasingly ominous. The Jewish factory workers were dismissed. As the front approached, the Germans wanted to transport the shipyard workers and their families to the West by ship but many refused and decided to stay. The approximately fifty workers who stayed found refuge in the factory’s shelters and survived the siege.