Q: I've always wanted a powered nail gun to do rough carpentry. They're expensive, but I think I'll get value out of it for all the projects in my future. There are air- and gas-powered tools ...

A few months ago, I brought my 20-ounce hammer and a traditional nail set tool with me to church. A six-penny finish nail, driven by a carpenter in the late 1800s through a piece of oak trim, had ...