The ongoing Edo Technology and Innovation Expo has continued to showcase the innovative potentials of researchers in Edo State, with inventors thrilling participants with their ingenious innovations aimed at proffering solutions to societal problems. Some of the inventions at the five-day expo include an automatic fingerprint machine; a 5,000 litre/per day locally-made modular refinery capable of producing engine oil, kerosene, fuel and gas; a one-ton truck, and a pyrolyzer, among others. The programme with the theme, “Leveraging on Science, Technology and Innovation for Sustainable Economic G…