guò / qù / yǒu / xiē / hēi / zhuān / yáo / bèi / zhǐ / kòng / qiáng / pò / gōng / rén / láo / dòng过去有些黑砖窑被指控强迫工人劳动。In the past, some illegal brick kilns were accused of forcing workers to labor.