Žáner: Dokumentárny
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posádka:
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štúdio: U.S. Department of Labor, U.S. Department of the Interior, Mining Enforcement and Safety Administration
Runtime: 16 minút
kvalita: HD
Vydané: Jul 01, 1982
IMDb: 10
Kľúčové slová:safety, construction, construction safety, workplace safety, heavy machinary, accident prevention, industrial safety
