BRICK TRICK

Among all the jeering and shouting in the House of Commons, what response to a speech is banned? To find out, solve the puzzle. Every word is an anagram of its neighbours, plus or minus a letter. Read the shaded squares in number order for the answer.

1 Smooth wall covering 2 Paper clip 3 Flower part 4 Fuel found in Irish bogs 5 Copy 6 Harvest a cereal crop 7 Wine fruit 8 Czech capital 9 Noise blocker