Physical processes of mining

en-US/ˈfɪzɪkəl ˈpɹɑsɛsəz ʌv ˈmaɪnɪŋ/
en-GB/ˈfɪzɪkl ˈpɹəʊsɛsɪz əv ˈmaɪnɪŋ/

دسته بندی ها:

mining engineeringbranch of science