/ˌæbˈnɔːrməli ˈdeɪndʒərəs ækˈtɪvəti/ – Pharse
Definition: Hoạt động nguy hiểm bất thường
A more throughout explanation: a job or activity that carries with it a significant risk of harm, even if reasonable care is used (eg the handling of toxic waste, dynamiting etc)
Example: It is at least arguable that a court might consider sewage sludge application to be an abnormally dangerous activity.