Respuesta :
I believe the answer is: Speeches about process
Speeches about process is a form of informative speech that is conducted by narrating the steps that needed to be taken for a certain things to be created. The purpose of such speech is to help the audiences repeating the process by themselves without direct observation from an expert.
In his show good eats, Alton brown often gives presentations about how to cook a variety of foods. For example, in one episode, he talks about how to brine and cook a perfect thanksgiving turkey. Alton brown gives in each of these episodes speeches about process.