Ergonomic risk assessment in office workers of summit auto body industry co.,ltd. The objective of this research were to study the risks ergonomics of the work of the office staff in summit auto body industry co., ltd. The sample used is office staff 15 departments number 51 person specific sampling of define criterion select tools used in research include general information questionnaire and risk assessment from working with ergonomic with rosa the data collected and the results are statistically percentage and average.