For maintaining resilience of socio-technical systems, it is believed that knowledge sharing among practical ?eld staffs should be a crucial. The purpose of this study, therefore, is to propose a new method to enhance their knowledge sharing effectively. Especially, authors focused on their chats in a refresh room and developed a method to promote their job-related chats in a refresh room by using a large size touch panel display presenting a lot of job-related information. Authors conducted the experiments to examine the effect of developed method. As a result, the expected effect was observed approximately while some possible limitations related to characteristics of job and human relationship among target members were captured. In the conclusion, future works are discussed.