Five huge undersea tunnel-drilling machines - each a record 28.6 feet in diameter - will be used to bore a 32.2-mile tunnel under the English Channel that will link England and France, reports a metalworking industry publication.

According to Metalworking News, under joint venture agreements between a company in the state of Washington and Japanese and English counterparts, the machines will be completed and shipped to the Anglo-French consortium by the end of 1989.Boring work on the project is already under way, notes the industry journal, with the driving of a land tunnel near Folkstone, England, the British landing point for the tunnel.