They have given fresh strength and courage to the soldier-builders through revolutionary and vigorous agitprop activities and material and moral support.

The immortal classic "Where Are You, Dear General?", "Song of Airman" and other songs sung by the families inspired the soldier-builders to great feats.

Those families' devoted service for the soldiers injects vitality to the construction in the Ryonpho area.

Their activities in the construction site encourage the soldier-builders to make leap forward.