Revision literally means to “see again” or to basically see something again from a fresh and critical perspective. One of the best things to do during the revision stage is to have someone else proof read the material for you.
Answer:
Kamen gives the opinion that his equipment was complicated. He supports this opinion with facts; for example, he says that people "had trouble wiring it" and that he "spent several days" fixing it.
Explanation:
This is just the example that ed uses, so I wouldn't suggest copying and pasting, but this should help. :)
