Okay so here's the questions: The fuel in large planes is stored inside the wing. This fuel is highly flammable and needs to be protected from static...

Okay so here's the questions:

The fuel in large planes is stored inside the wing. This fuel is highly flammable and needs to be protected from static discharge or it could explode. To help prevent the buildup of static charge, long thing pointy metal strips are placed along the back edge of the wing.

a) Explain how the metal strips help prevent the buildup of static charge.

b) A student suggests using long insulating strips instead of metal ones. Explain why this is not a good idea.