Asked | Open questions | Answered Points Date Pair Term / Answer given Level Status Gloss 4 Jan 16 '15 eng>pol Coal bins, silos and bunkers zasobniki, silosy i bunkry pro closed ok 4 Feb 5 '13 pol>eng muły węglowe coal sludge pro closed ok 4 Jan 3 '11 eng>pol design coal węgiel gwarancyjny pro closed ok 4 May 20 '07 pol>eng MPa MPa easy closed ok Asked | Open questions | Answered