Two words keep sick Samsung workers from data: Trade secrets
SEOUL, South Korea — As a high school senior, Hwang Yu-mi went to work bathing silicon wafers in chemicals at a Samsung factory that makes computer chips for laptops and other devices. Four years later, she died of leukemia. She was 22. After Yu-mi’s death in 2007, her father, Hwang Sang-gi, learned a 30-year-old worker [...]