A staff member shows how to use a machine to insert screws at the 8th Cross-Straits Machinery Industry Exposition, which kicked off in Longyan city in Southeast China's Fujian province on Wednesday. [Photo/Xinhua]

The photo depicts a smart laser cutting machine displayed at the 8th Cross-Straits Machinery Industry Exposition, which kicked off in Longyan city in Southeast China's Fujian province on Wednesday. The machine could cut out any design created on a computer in a few minutes. [Photo/Xinhua]