Mine electricity
An edition of Mine electricity (1994)
metal and nonmetal entry level training : student text material and instructor's guide.
By National Mine Health and Safety Academy
Publish Date
1994
Publisher
U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy
Language
eng
Pages
114
Description:
subjects: Coal mines and mining, Study and teaching, Metals, Electric properties, Mine safety
Places: United States