![Hammers / Sledgehammer / Hardened steel / Drilling rig / Steel / Technology / Human–machine interaction / Petroleum Hammers / Sledgehammer / Hardened steel / Drilling rig / Steel / Technology / Human–machine interaction / Petroleum](https://www.pdfsearch.io/img/0b38c1a4617763c6c6d54705cfa1a000.jpg)
| Document Date: 2013-12-10 00:10:40 Open Document File Size: 83,61 KBShare Result on Facebook
IndustryTerm hardened steel parts/objects / hardened steel drill rod / hardened steel parts / steel tools / steel hammers / hardened steel sledgehammer / steel sledgehammer / steel sledgehammers / steel / steel shard / / Organization Department of Employment / / Person Incident / / Position driller / /
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