we must concentrate our strength primarily on guaranteeing the completion
according to plans of these 156 construction projects. Because the major
enterprises are heavy industrial enterprises, these 156 construction projects
include modern integrated iron and steel enterprises, non-ferrous metal
smelting and coal-mining enterprises, thermal and hydroelectric power stations,
heavy machinery manufacturing factories, vehicle, tractor and aeroplane-
manufacturing factories, chemical factories, etc. (Wang 1955:10-12).