Answer: sluices

AnswerCrossword Clue
SLUICESGold mining washers
sluices(in gold mining) A channel or trough constructed with grooves into which a current of water is directed in order to separate gold from the sand or gravel containing it
sluicesSLUICE, to wash with a sudden flow of water
sluicesAn artificial water channel for carrying off overflow or surplus water
sluicesAn act of rinsing or showering with water
sluicesA sliding gate or other device for controlling the flow of water, esp. one in a lock gate
SLUICESMill feeders
SLUICESArtificial channels
SLUICESWater channels in mines
SLUICESWater gates
SLUICESFloodgates
SLUICESMining troughs
SLUICESFlushes, as a deck
SLUICESChannels
SLUICESFloodgates.
SLUICESChannels.
SLUICESWashes down.
SLUICESFlumes.
SLUICESDrenches.
SLUICESWater channels