1) The scaffolding was brought here for nothing. 2) You are cleaning in vain, the stage is being taken away. 3) Inside the house there is scrap, the glass of the main entrance should not have been installed yet. 4) Bricks were not supposed to be brought inside. 5) HVAC pipes had to be installed on the ceiling and not on the floor. 6) The building is built in the wrong place. 7) And besides, there is no work on Sunday.