occupational hazard
A substantial risk to a worker's physical or mental well-being which is present in a certain task, job, or profession.
affinity for acidic conditions
(with determiner, informal) The District of Columbia, the federal district of the United States. / (with determiner, mostly local usage) Any of numerous governmental districts.
Represents the sound of music or singing.
騒音への曝露は空港地上職員にとって業務上の危険であるため、聴覚保護具を着用しなければならない。
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