ΠήΈΔΑτΡΤΓάΒλ: ΠήΈΔΑτΡΤΔΪΘέ: Preventive measures must be taken to prevent all natural disasters, earthquakes, typhoons, floods, conflagrations, etc. Rescue teams must stand by and be prepared on call whenever they are needed. Relief centers must be ready to help victims before disasters came happening. Advanced equipments must be ready in use for saving lives. Large amount of food, water, medicines, tents are common necessities to be ready for all the time.