Hazards Of Churn Drilling
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✎ Suggest a correctionDescribes the churn drilling operations in surface ore mining. Shows the drilling hazards and the incorrect, unsafe work procedures. Presents the safe methods of drilling and emphasizes the need for the constantly alert workman.
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- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
- 16mm Filmography (legacy record) — catalog record
- usgov-av-1974 — title, year, creator, length, color, sound, description
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