Mr. Chitchai Somuphad workers Phetchabun province. Chaired the conference lead volunteer workers in the district level on March 22, 2553 at the volunteer work of this Bureau of Labor review and evaluation. Office of the Permanent Secretary of Labor. To participate. And calling out. Tracking performance of the lead volunteer workers in the area of his district and neck Hlemsak ชนแดน in Amphoe Wang Pong 22 – March 23, 2553.