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problematic use of substances
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运输, 航空
probleminis medžiagų vartojimas
英语 词库
problematic use of substances
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航空
The use of one or more psychoactive substances by aviation personnel in a way that: 1. constitutes a direct hazard to the user or endangers the lives, health or welfare of others; and/or 2. causes or worsens an occupational, social, mental or physical problem or disorder.
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