How are the words "serving the people" drawn on the screen wall?

After discussing with President Mao Zedong, Wang Dongxing decided that Wang Dongxing would arrange Zhou Qicai and Wu Jianhua of the Security Bureau to take charge of this matter. On the screen of xinhua gate, Zhongnanhai, a wooden Mao Zedong font for serving the people appeared. On the east gate of Zhongnanhai, it says hard work and plain living. 1970 or so, Zhongnanhai Repair Office handled the words "serving the people" on xinhua gate's screen. Put the words "serving the people" on the gold foil and turn them into gold characters on a red background.