Its Mechanical Engineering Institute developed a new technology of manufacturing piston ring for non-oiling compressor and an electrode-controlled hydraulic device, helpful to the country's chemical industry.

The Central Mining Research Institute succeeded in considerably raising the capacity of mechanical flotator while the Environmental Engineering Institute made a big progress in researches to decrease the air pollution by CO in sealed areas of collieries and mines.

Meanwhile the Zoology Research Institute published a multimedia "Pictorial Book of Korean Birds", conducting the work to classify and systematize the animals inhabiting Korea.