In Japan, where many resources are sent form foreign countries, shipbuilding technology had been well improved since pre-war periods, and even after the war, shipbuilding including large tankers was actively carried out, which played a role, with the steel industry, in economics and distribution in Japan.
資源の多くを海外に頼る日本では、戦前から造船技術が発達し、戦後も大型タンカーなどの建造が活発に行われ、鉄鋼業とともに日本の経済と物流の一翼を担った。