Mr Sadascus, director, OSHA, 6th Dec 1990, Chicago, USA 
Travelodge,Chicago, USA, 10th Dec 1990
OSHA training institute, DES PLAIN, 10th Dec 1990
OSHA training institute , Des PLAIN , 10th dec 1990
 northwestern university, dec 1990, Chicago, USA 
OSHA trainging institute ,7th Dec 1990
OSHA trainging institute , 7th Dec 1990
OSHA training institute, Chicao, 7th Dec 1990
LAKE MICHIGAN ,CHICAGO, 7th Oct 2002
▼ General Construction Safety(1984)
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▼ Mechanical Inspection(1984)
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▼ Electrical Inspection(1984)
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▼ Industrial Hygiene(1987)
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▼ Architectural Hardware (1986)
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▼ Value Engineering (1987)
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▼ Fire Alarm System, Transmission(1987)
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▼ Construction Safety Inspection (1987)
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▼ Construction Safety Trainer Training Course(1990)
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▼ Excavation Course(1996)
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공지사항
RESUME(CV)
