Officials of the Ministry of Agriculture and provincial rural economy committees drew up detailed plans for overhauling farm machines and scrupulously controlled the overhauling.

Pyongyang City had tens of combined rice threshers remodeled and hundreds of threshers overhauled.

Paechon County of South Hwanghae Province produced more than 1,800 spare parts of over 20 kinds and other counties tackled technical problems arising in the production of spare parts.

South Phyongan and North and South Hamgyong provinces, etc. manufactured various farm machines while overhauling farm machines.