美容院工作者需要正确的防护屏障。
同时要注意不要使用各种清洗液，以免破坏引导天然防护屏障。
Simultaneously must be careful not to use various cleaning solution, lest destroy guide natural protective barrier.
在农业劳作中，工人们会(经常)忙于把手套视为防护屏障的工作。
In the agricultural industry, workers are involved in a number of tasks where gloves serve as a protective barrier.
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