Rotate the skulls to the 3 gems are a solid color (E).
Take the SAW and 1/4 MAP PIECE (F).
Use the SAW to cut the beam (G).
Turn the KEY in the lock and turn the handle (H).
Take the PLANK (I).
Look at the newspaper and take the LEVER (J).
Note the code JACK (K).
Move the rag, take the STRING, and read the note (L).