If you choose to use a commercially prepared hand sanitizer, make sure the product contains at least 60 percent alcohol.
在挑选商用预调配洗手液时，要确保该产品含有至少60%的酒精。
If you choose to use a commercially prepared hand sanitizer, make sure the product contains at least 60 percent alcohol. Then follow these simple steps.
在挑选商用预调配洗手液时，要确保该产品含有至少60%的酒精。
If you choose to use a commercially prepared hand sanitizer, make sure the product contains at least 60 percent alcohol. Then follow these simple steps.
在挑选商用预调配洗手液时，要确保该产品含有至少60%的酒精。
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