To avoid polluted air, outdoor activities have been suspended in schools, kindergartens, children's palaces and extra-curricular education institutions.
Next time, when we want to use our laptops or our smartphones in public places which offer free WiFi networks, please think it twice or take safe measures before using them.
For example, employees had to prove that their injuries directly resulted from employer negligence and that they themselves were ignorant about potential hazards in the workplace.
Then the researchers subjected them to stressful situations — such as speaking in public and doing verbal arithmetic — and noted their blood pressure response to stress.