"Pods" under the wing? What are they?

Have you ever looked out on the Boeing 737 wing and wondered what those white, large "pods", were?
In todays video I will be giving you all the information you need about this subject.
I will also be talking more about the trailing edge Flap system, how we pilots deal with Flap problems problems and much, much more.

*credit to this creator goes to Mentour Pilot