Asked | Open questions | Answered Points Date Pair Term / Answer given Level Status Gloss 4 Jul 16 '15 pol>eng podatność przemiałowa węgla Hardgrove Grindability Index pro closed no 4 Sep 16 '05 pol>eng materialy kadmonosne cadmium-bearing materials pro closed no 4 Mar 1 '05 pol>eng złoże wybierane odkrywkowo lub głębinowo strip and deep mnining pro closed ok Asked | Open questions | Answered