F4I1R1E1D2A1M3P3S1
17 points
FIREDAMPS is validvalid
FIREDAMP, a combustible gas
FIREDAMP, a combustible mine gas, mainly methane, that can explode upon contact with a supply of oxygen
FIREDAMP, a combustible gas
FIREDAMP, a combustible mine gas, mainly methane, that can explode upon contact with a supply of oxygen