Clean all moisture from surfaces to remove all spills.
Empty all garbage cans, clean them and replace the liners. Put the garbage in the collection place.
Vacuum the carpets.
Clean monitors (PCs).
Dust off all surfaces; all this includes desks, chairs, furniture, files, tables, pictures and all types of furniture.
Clean the refrigerator of water.
Clean the dust from the floor.
Clean the phones.
Clean the windows.
Inspect the entire office area at the end of the work.