c that no forced or prison labor is employed that workers are free to leave once their shift ends and that guards are posted only for normal security reasons
C不雇佣强迫劳工或监狱劳工，工人在轮班结束后可以自由离开，只出于正常的安全原因才派警卫
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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