Waste material from a coal mine

SLAG
List of words for the clue Waste material from a coal mine from the crossword:
STEEL ORE TAR ORES TIN NYLON TNT MINED VEIN PEAT OPAL EARTH IRONORE EBONY ORO OIL PITCH ASH USE
WordClue
GOBlump of soft material
PLYlayer of material
BEERmine - coal, brewery - ?
COALslaughterhouse - meat, mine - ?
JUNKtrash, waste
MASSMatter, material
ADOBEbuilding material
GUANODung from a sea bird or from a bat
STEELmine - coal, ironworks - ?
TRASHwaste, garbage
LITTERwaste, rubbish
QUARRYcoal - mine, stone - ?
REFUSEwaste, rubbish
BREWERYcoal - mine, beer - ?
PILLAGEdevastation, waste
RUBBISHwaste, discards
SAWMILLcoal - mine, wood - ?
DISCARDSwaste, trash
IRONWORKScoal - mine, steel - ?
SLAUGHTERHOUSEcoal - mine, meat - ?
TRASHwaste, garbage
REFUSEwaste, rubbish