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在毛主席革命路线指引下,我厂铸钢车间广大职工在工厂党委领导下,遵循毛主席“中国应当对于人类有较大的贡献”的教导,发扬敢想、敢干的革命精神,对铸造生产中使用石英砂的旧工艺进行了彻底变革,试验成功用石灰石砂(即“七○砂”)代替石英砂,为保障工人身体健康,多快好省发展铸
Guided by Chairman Mao’s revolutionary line, under the leadership of the party committee of the factory and under the leadership of the party committee of the factory, following the guidance of Chairman Mao’s “China should make greater contribution to mankind”, the broad masses of workers in the foundry’s steel plant should carry forward the revolutionary spirit of daring to think and dare to do something, Production of quartz sand using the old process has been completely changed, the successful trial of limestone sand (ie, “70 sand”) instead of quartz sand, in order to protect the health of workers,