Tür: Belgesel
Yıldızlar:
mürettebat:
ülke:
Dil:
Stüdyo: U.S. Department of Labor, U.S. Department of the Interior, Mining Enforcement and Safety Administration
Çalışma Süresi: 16 dakika
Kalite: HD
Çıkış: Jul 01, 1982
IMDb: 10
Anahtar kelimeler:safety, construction, construction safety, workplace safety, heavy machinary, accident prevention, industrial safety
