Answer:
Evacuate people from cars near the tanker
Step-by-step explanation:
When your partner and you are going to first emergency personnel at the scene where the overturned tanker is present.
In-cab, the driver appears motionless. You have noticed that the liquid is leaking out of the valve assembly of the trailer tanker.
After re-positioning the ambulance first of all you should evacuate people from the car which is nearby the tanker. After that call the police.