From their site
Brickmasons, blockmasons, and stonemasons (or, simply, masons) use bricks, concrete blocks, and natural and man-made stones to build fences, walkways, walls, and other structures.
More info at
http://www.bls.gov/ooh/construction-and-extraction/brickmasons-blockmasons-and-stonemasons.htm#tab-1
More info at
http://www.bls.gov/ooh/construction-and-extraction/brickmasons-blockmasons-and-stonemasons.htm#tab-1
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