Kelvin O'Donahue

Kelvin O'Donahue has been writing since 1979, with work published in the "Arizona Geological Society Digest" and "Bulletin of the American Association of Petroleum Geologists," as well as online. O'Donahue holds a Master of Science in geology from the University of Arizona, and has worked in the oil industry since 1982.

Drill Bit Vs. Screw Size
Contributed by Kelvin
How to Control Steam Heat
Contributed by Kelvin
Residential Dishwasher Dimensions
Contributed by Kelvin
What Is CDX Wood?
Contributed by Kelvin
What Is Yew Wood?
Contributed by Kelvin
What Is Ovangkol Wood?
Contributed by Kelvin
What is Jatoba Wood?
Contributed by Kelvin
End to End Garage Dimensions
Contributed by Kelvin
What Does R-Value Mean?
Contributed by Kelvin
What Is a Drill Press Used For?
Contributed by Kelvin
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