Panel is a way, you can use it to conduct a market survey, in addition to surveys and questionnaires. Indonesia called the focus group discussions. As you can see its name, or FGD focus group discussion is a group of people discussing the topic in more depth. Usually the focus of this panel discussion include 7-9 (some say 9-12 participants) who is a subject or a specific program interest. It has a moderator who will guide the participants discussed several issues under discussion. But you know, the focus in the different focus group discussions with the moderator to guide discussion of the informal panel discussion panel discussion. Questions and talk that occurred you should write it clearly. This means that the focus group discussion should be provided with the notebook or tape recorder, you use to make such a description and analysis of the end of discussion. Existing flue gas desulfurization on the view? Well, let’s discuss the advantages and disadvantages.