The Principles of Safety and Hygiene in a Copper Mine
IMDB:
7.0Released
1/1/1972
Duration
0h 20m
Genre
N/A
Country
United States
Cast
N/A
Overview
Commissioned film about the conditions of safety and hygiene in the Lubin copper mine.
The Principles of Safety and Hygiene in a Copper Mine
IMDB:
7.0Released
1/1/1972
Genre
N/A
Cast
N/A
Duration
0h 20m
Country
United States
Overview
Commissioned film about the conditions of safety and hygiene in the Lubin copper mine.
