Janr: Documentary
Yulduzlar:
Ekipaj:
Mamlakat:
Til:
Studiya: U.S. Department of Labor, U.S. Department of the Interior, Mining Enforcement and Safety Administration
Ish vaqti: 16 daqiqa
Sifat: HD
Chiqarilgan vaqti: Jul 01, 1982
IMDb: 10
Kalit so zlar:safety, construction, construction safety, workplace safety, heavy machinary, accident prevention, industrial safety
