The staff is 'making preparations' to move to another building. [=the staff is doing things to become ready to move to another building]
To complete this recipe, plan on about 30 minutes of 'preparation' and 40 minutes of baking.
Plans for the next edition are already 'in preparation'. [=are already being prepared/made]
(..) brings constant change. As the sun's influence diminishes in the north, so the deciduous forests of America begin to shut down losing their leaves in preparation for the dark cold months ahead. One season hands over to another. Some organisms thrive on decay, but most must make special (..)2006 TvShow: Planet Earth Title: From Pole to Pole Season: 1 Episode 1