nhk world's hiroki yajima has the story. >> reporter: mikio is the president of a marine products company in ofunato, iwate prefecture. business hasn't been the same since march 11th. the tsunami killed two of his workers. it also destroyed his three factories and his plans to expand. he halted operations and discharged his 100-member staff. he focused on repairing his factories. they were up and running in july. but only 60% of his employees have returned. he's calling workers to personally invite them back. one former employee he reached says she's collecting unemployment. she's had interviews with seven other companies but hasn't been hired. >> translator: you're asking me to come back to work. but it's hard. if another tsunami were to hit, i would be worried about my childr children. i want to go back to work, but i just can't do it. not at that location. >> i can't make you come back if you don't want to. but it's a pity. >> he's also short on technical interns from china. they come to study marine processing techniques. the chinese government issued an evacuation advisory after the