填空题 What accident happened? A worker 1from a water tower.

填空题 What was the age of the worker? He was 1.

填空题 What was the worker doing when the accident happened? He 1the inside of the tower.

填空题 What was the cause of the worker's death? He did not wear 1.

填空题 What was the advice given to prevent accidents? Employees should be instructed to avoid 1.