Related Clues:

• Pipes to carry away liquid
• When at last it's wet, they'll carry it away
• When water gets into them it all goes to waste
• When it's wet at last, it all goes to waste there
• At last it's wet, but all goes to 11 down
• They all go to waste when it's wet at last
• When there's a shower at last, they take it away
• What comes down by the hundreds goes away in them
• They carry off the water that comes down inside them (6)
• When it's wet at last they're all running
• System carrying away rain water
• Empties out
• Sewers
• Runaway affairs?
• Empties, as a bathtub