Thunderstorm safety

This task is about keeping safe in a thunderstorm.
lightning

Lightning is electricity formed in storm clouds.

Here are some rules to follow in a thunderstorm with lightning:   

  1. If outdoors keep clear of fences, telephone or power poles, metal pipelines, large metal objects (structural steel work), and metal clotheslines.
  2. Avoid hilltops or the highest object in any area.
  3. Avoid (isolated) trees that are by themselves.
  4. Do not use telephones.
  5. Stay indoors away from electrical appliances.

Question 2Change answer

Explain the science behind any two of these rules.
Rule number 12345
Science behind the rule:
Rule number 12345
Science behind the rule: