最佳的补救方法是减少该类药物的使用或者增加预防措施，如穿防护衣。
The best remedy is either to limit the use of the offending substance or to take extra precautions, like wearing protective clothing.
如管教人员在一般情况下不能穿防护衣，因为这会给学员带来心理压力。
Such as correctional officers, under normal circumstances can not wear protective clothing, because it will bring psychological pressure on students.
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