The American state of Ohio’s largest-ever economic development project is expected to put workers in demand.The project will need 7,000 construction workers.But currently, experts say there is a national shortage of people working in the industry.The semiconductor manufacturer Intel announced the $20 billion project earlier this year.When its two factories open in 2025 near Columbus, they are expected to employ 3,000 people with an average pay of around $135,000.But first, the area must be developed and the semiconductor factories have to be built.Labor leaders and state officials say Central Ohio does not have 7,000 extra construction workers.Currently, projects in the area include a large Hilton hotel in the capital, Columbus, and a $2 billion addition to The Ohio State University’s medical center.Also, drug maker Amgen is planning to build a $365 million biomanufacturing plant not far from the Intel factory.