A "May 12" monument in memory of the massive 8.0 magnitude earthquake that struck Sichuan in May 12, 2008 is seen in Pengzhou, southwest China's Sichuan province, April 23, 2011.
Geng Jiasheng, 54, a national master technician in the manufacturing industry, is busy working on improvements for a new removable environmental protection toilet, a project he has been devoted to since last year.