Agricultural scientists and technicians have bred new strains of high-yield grain and made efficacious microbiological fertilizers and organic fertilizers to contribute to increasing the agricultural production.

They have also established scientific farming methods such as the use of mud snails in the weeding of rice paddies and invented many modern and efficient farm machines.

Scientists in the sector of light industry, together with workers, have put production processes on the CNC basis, while improving the quality of the products and expanding their variety.

Hundreds of valuable inventions have been made in the four key sectors of national economy -- metal, power and coal industries and railways transport -- in the first half of the year to add much to the management and production activities.

Technical achievements of practical significance have been registered in the sector of chemical industry, including a computer control system introduced into the anthracite gasification process.

Remarkable successes have also been reported from the fields of IT, Nano-technology and biological engineering.