An exhibitor displays the process using multiple waste streams to manufacture synthetic lightweight aggregate at the 12th International Invention Fair of the Middle East (IIFME) in Kuwait City, Kuwait, on Feb. 16, 2020. The 12th International Invention Fair of the Middle East (IIFME) kicked off here on Sunday. (Photo by Asad/Xinhua)
The 12th International Invention Fair of the Middle East (IIFME) kicked off on Sunday in Kuwait City, capital of Kuwait.An exhibitor introduces a rocking device for baby carriages to a visitor at the 12th International Invention Fair of the Middle East (IIFME) in Kuwait City, Kuwait, on Feb. 16, 2020. The 12th International Invention Fair of the Middle East (IIFME) kicked off here on Sunday. (Photo by Asad/Xinhua)
An exhibitor introduces a new solar system to a visitor at the 12th International Invention Fair of the Middle East (IIFME) in Kuwait City, Kuwait, on Feb. 16, 2020. The 12th International Invention Fair of the Middle East (IIFME) kicked off here on Sunday. (Photo by Asad/Xinhua)
An exhibitor introduces a control pad monitoring safety of personnel in vehicles and institutions to a visitor at the 12th International Invention Fair of the Middle East (IIFME) in Kuwait City, Kuwait, on Feb. 16, 2020. The 12th International Invention Fair of the Middle East (IIFME) kicked off here on Sunday. (Photo by Asad/Xinhua)