Read the following paragraph:
During the process of earthing, a charged object loses its charge by transferring it to the Earth. This is important in buildings to prevent _______ shocks. Similarly, lightning conductors use this principle to safely ______ the charge from a lightning strike directly to the ground, protecting the structure from ______.
1
electrical, transfer, damage
2
mechanical, redirect, harm
3
thermal, channel, destruction
4
environmental, displace, danger