Wonderful portrait of a hard working man. I clicked on this thumbnail because it reminded me of my uncle's work who is a professional. He loves the labor worker shots just like this. I'll have to show him this. Great tones and I love the choice of low angle giving the shot a little more perspective. The gloves hold a lot of interest for me as well.
If you'd like to check out my uncle's work sometime... http://www.sardari.com/bill/