text: French shipyard workers march against job cuts . RENNES 1996-08-29 About 3,500 naval shipyard workers marched in the centre of the northern port town of Cherbourg on Thursday to protest against defence restructuring , a union official said . The local police headquarters did not give a figure but said 1,800 workers at the Cherbourg yeard had stopped work . A cutback plan could slim their numbers to 1,700 from 4,200 . Several hundred workers also marched in the western town of Indre where 500 or 1,600 jobs are at risk .