在批林批孔运动推动下,鞍钢和鞍山市劳动局最近联合召开了推广应用“70砂”防尘现场会。全市一百多个厂矿企业和事业单位的领导,安全、机动科长,技术人员和铸造老工人共四百余人参加了会议。会上由鞍钢机修总厂介绍了试用和推广“70砂”的经 Driven by the pro-Lin bidding exercise, the Anshan Iron and Steel Bureau and Anshan Municipal Labor Bureau recently jointly held the promotion and application of the “70-sand” dust-prevention meeting. More than 400 people, including chiefs, safety chiefs, chief technicians, technicians and foundry workers of more than 100 factory and mining enterprises and institutions in the city, attended the conference. At the meeting by the Anshan Iron and Steel Plant introduced trial and promotion “70 sand ” by the