The women are using spare parts from a thrift box (节约箱) to make repairs. The characters on their aprons 云纺 - Yun Fang - show that the scene takes place at the Yunnan Textile Factory, Kunming. High in the background are red banners with slogans against Lin Biao and Confucius, to "Learn from Daqing" and to "Grasp revolution, increase production".