posted by GG .
how the particals behave in the reaction between iron and suiphur
Exactly what do you mean? I can answer your question if you clarify it and tell me exactly what you are looking for.
what are uses of generators
First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked.
Second, since this is not my area of expertise, I searched Google under the key words "generator uses" to get these possible sources:
There are more sources.
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps. Thanks for asking.