Manchester City's Edin Dzeko (4th R, 10) scores against Aston Villa during their English Premier League soccer match at Villa Park in Birmingham, central England, Sept 28, 2013. [Photo/Agencies]
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.