职业安全 - 2026 进行中

科目: 职业安全
级别: IV (I级最简单，XII级最难)
类别: 大学生
试题语言: English
题数: 15
问题示例: A triangular yellow safety sign is displayed near a production area. What does its shape and colour generally indicate? Mandatory personal protective equipment, A warning about a possible hazard, The location of first-aid equipment, A safe condition