The film "3G Mobile Network" reflects the rapid development of communications.

It shows the stages of developing communications through the first, second and third generations and explains the performance of the 3G mobile network in an explicit way.

The film "Integrated Wood Processing Technology" is conducive to improving the quality of wood furniture and fixtures.

It gives a theoretical explanation about the general concept of integrated wood and its prevention of wooden ware from being changed in shape.

It also introduces the production processes of the Hamhung Wood Processing Factory put on the basis of the CNC technology and dwelling houses in Mansudae Street furnished with the factory's integrated wood products.