Related Clues:

• Run down (e.g. stocks)
• Spend penny - allowed to go into river!
• Empty, reduce, exhaust
• Use up (resources)
• Reduce the quantity of (resources)
• Reduce the number of
• Holding pump in front, remove exhaust
• Parking allowed in Scottish river now it's empty
• Reduce the quantity of
• Reduce or abolish outside parking
• Reduce pressure and scrub round
• Strike out, dropping penny in drain
• Reduce (a stock)
• Use up a supply
• Use up resources or materials