Then they used a circular saw to cut the braces to length.

Next they laid out several fence boards along the braces.

I don't know if you can see it, but they attached a fence board to a couple posts and then ran a string from thier tops to get a leveling line.

They finished off by nail gunning the top of about 5 boards then checking their work with a level and then nail gunning the bottom of the boards to the braces.
I was amazed at how fast the fence was finished off. We were relieved and gratefull to finally have a back fence again :)