首都工人阶级自行设计制造的自升塔式起重机(简称高塔),在党的“十大”胜利闭幕之际,在北京饭店扩建工程工地上凌空屹立,繁忙工作。在完成了扩建任务之后,又转战在首都其他建筑工地上了。高塔的建成,是在批林整风运动推动下,首都广大革命职工贯彻执行“鞍钢宪法”和共产主义大协作的成果,是毛主席“独立自主,自力更生”方针的胜利。群策群力绘蓝图 The self-elevating tower cranes (referred to as towers) that were designed and manufactured by the capital working class were busy at the construction site of the Beijing Hotel expansion project on the occasion of the party’s “Top Ten” victory. After completing the expansion mission, he moved to other construction sites in the capital. The completion of the tower was driven by the forestry movement of the approved batch of forests. The revolutionary workers and staff of the capital carried out the achievements of the “Anshan Iron and Steel Constitution” and the great collaboration of communism. It was Chairman Mao’s principle of “independent, self-reliant” victory. Brainstorming blueprints