What are the modern techniques of irrigation? Describe them.

Unscramble ELEVR to answer the question below:

Name the type of simple machine used in a fishing rod.

Define lever.

In the following diagram, indicate the three points of effort, load and fulcrum, and name the kind of the lever. F stands for fulcrum, E for effort and L for load. 

Name two traditional methods of irrigation and two modern methods of irrigation.