Contributed to laying the foundation for Korea's heavy and chemical industry by drastically reducing the risk of explosions at oil refineries. If sparks fly from lights installed at oil refineries, there is a risk of disasters such as explosions. For this reason, explosion-proof lights that block sparks inside the light must be used. Kang Young-sik, Chairman of North Korea Electric Company (former Vice President of the Korea Federation of Small and Medium Business), who laid the foundation for the development of the domestic explosion-proof equipment industry by first domestically producing explosion-proof lights, passed away on the 3rd. Year of death...