冶金部在武汉冶金安全技术研究所举办的第三期安全训练班,从10月10日开学,经过50天的基本理论知识教学和30天的现场实习,已于12月底结业。这期训练班是工厂通风防尘训练班。参加学习的73名学员,来自28个省、市、自治区冶金工业部门的60多个烧结、耐火材料等 Metallurgy Department in Wuhan Metallurgical Institute of Safety Technology organized the third phase of security training classes, starting from October 10, after 50 days of basic theoretical knowledge teaching and 30-day field practice, has been completed by the end of December. This training course is a factory ventilation and dust prevention training course. More than 60 trainees, refractories, etc. from 73 trainees attending the study, from the metallurgical industry in 28 provinces, municipalities and autonomous regions