Pyongyang, August 13 (KCNA) -- The Korean Documentary and Science Film Studio has produced three science films.
They are "Lost Foam Casting Technology", "Acupuncture and Moxibustion, Koryo Medicine" and "Dry-field Rice 24 with High Drought-Resistance."

"Lost Foam Casting Technology" shows the principle of the lost foam casting technology and the production method of casting, stressing that the new technology contributes to developing the machine-building industry by putting the production of casting on a modern and scientific basis and improving its quality.

"Acupuncture and Moxibustion, Koryo Medicine" deals with the origin and effective treatment of the acupuncture and moxibustion.

"Dry-field Rice 24 with High Drought-Resistance" shows the feature, cultivation method and the advantages of the new strain, calling for increasing the grain production by introducing the new strain.