Answer:
Natural calamities; consider
Explanation:
Natural calamities (also known as natural disasters) can be defined as catastrophic events resulting from the natural processes of the Earth. Some examples of natural disasters include earthquakes, floods, droughts, hurricanes, etc. Moreover, an accident refers to an unintended and unplanned event that may cause physical injury or even death. The best way to avoid an accident is to take into consideration the factors that may be causative of accidents in order to prevent them from happening. Some of these factors include human errors, deficient maintenance, hazardous environmental conditions, etc.
