컨텐츠 내용
외국인근로자
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Criteria for Recognizing Noise-Induced Hearing Loss: 1차시 : 30일
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Definition and Characteristics of Collapse Disasters: 1차시 : 30일
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Major Causes of Collapse Disasters by Causing Factor and Safety Measures: 1차시 : 30일
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Key Checklist for Preventing Collapse Disasters: 1차시 : 30일
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Disaster caused by soil collapse on excavation slope during obstacle verification work: 1차시 : 30일
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Collapse of adjacent cut slope during abutment rebar assembly work: 1차시 : 30일
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landslide disaster during sheet pile installation work: 1차시 : 30일
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Collapse of formwork supports during slab concrete pouring: 1차시 : 30일
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Collapse of dismantling cart during bridge formwork dismantling work: 1차시 : 30일
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Steel column collapse during steel frame assembly work: 1차시 : 30일
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Waterborne and foodborne infectious diseases and infectious diseases: 1차시 : 30일
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Infectious diseases and infectious diseases transmitted through person-to-person contact: 1차시 : 30일
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