7. Get rid of blockages in a deep hole (9)
27. Sounds as if someone is asking you to slaughter his pig (8)
53. Rattle or clank (7)
56. Earthwork defensive fighting position (3-4)
76 Malachite is a prime example (5-3)
80. Time to strike tents (5-3)
82. Toilet at the rear of the ship (8)
20. Commonly used nickname for game of Russian Beruit (6) )I have seen several clues for this but just cannot get the answer)