Classification of the form or contact in which the accident occurred (ISTAC: CL_FORMA_CONTACT_ACCIDENT)

Describes how the injured person has been injured by the material agent that caused the injury. For example, shock with object falling vertically, contact with cutting hand tool, etc.本数据集用于描述受伤人员被致伤介质致伤的具体方式，例如垂直坠落物体撞击、手持切削工具接触致伤等情形。