dig

EXCAVATION
WordClue
DIGexcavation
BEERmine - coal, brewery - ?
COALslaughterhouse - meat, mine - ?
SLAGWaste material from a coal mine
STEELmine - coal, ironworks - ?
QUARRYcoal - mine, stone - ?
BONANZArich mine or vein of silver or gold
BREWERYcoal - mine, beer - ?
SAWMILLcoal - mine, wood - ?
IRONWORKScoal - mine, steel - ?
SLAUGHTERHOUSEcoal - mine, meat - ?
HARDSHIPdifficulty, obstacle
TRACTdigestive or urinary