![](http://www.alamy.com/thumbs/6/0EA154AC-F8DA-40A3-87B6-B33A62E6D9C6/DNKMBA.jpg)
Two construction workers working on steel pipes
Greifenhagen 691-0112 MR1119
Size: 3888px × 2592px
Location: USA
Photo credit: © Nancy Greifenhagen / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: access, backfill, buried, bury, cisterns, construct, construction, dump, engineering, graphic, gravel, install, installing, ladder, man, manhole, men, metal, pattern, pipe, pipes, pour, quality, reservoir, simple, steel, stone, storage, store, stormwater, tube, tubes, underground, water, workers, working