Underground Coal Mining Process. Iron Mining And Production Of Iron And Copper Tube

Underground Coal Mining Process. Iron Mining And Production Of Iron And Copper Tube 0:12. Underground coal mine 6:17. Minnesota Iron Mining Process 8:45. Cathode stripping machine 11:06. Copper tube factory --------------------------------- ⚠️ Copyright Disclaimers • We use images and content by the YouTube Fair Use copyright guidelines • Section 107 of the U.S. Copyright Act states: “Notwithstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work, including such use by reproduction in copies or phonorecords or by any other means specified by that section, for purposes such as criticism, comment, news reporting, teaching (including multiple copies for classroom use), scholarship, or research, is not an infringement of copyright.” • This video could contain certain copyrighted video clips, pictures, or photographs that were not specifically authorized to be used by the copyright holder(s), but which we believe in good faith are protected by f