Calling John Hall

John R. Hall

Your expert comments will be welcome indeed. Maybe you can help me out with my next book project, too huh? It's gonna be titled "The Next Contractor" and I'll plan on writing a chapter about how to keep your customers safe -- not only from temperature extremes but from CO and fire, too.

I could use a lot of help from the Wallies on this next project.

Mark Hunt

PowerPoint CO presentation


Looks good!

I'll be e-mailing my comments.

Mark H

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