Asked | Open questions | Answered Points Date Pair Term / Answer given Level Status Gloss - Jun 8 '16 eng>bul fossil fuel fired задвижвани с изкопаеми горива pro closed ok - Apr 20 '15 eng>bul HFO production Производство на тежко горивно масло pro open no 4 Apr 20 '15 eng>bul batch type партиден тип pro closed no Asked | Open questions | Answered