Look at the barrel; place the SAW HANDLE on the blade, followed by the BOLTS, and then take the SAW (J).
Look inside the barrel and take the SPLINT (K).
Note the worktable (L).
Take the SLING (M) and GAUZE (N).
Look at the oil drum, take the NAILS and attach the VALVE (O).
Walk down twice.
Look at David; use the GAUZE, SLING, and SPLINT on him (P).
Talk to David and he will give you the FEMALE FIGURINE (Q).
Walk to the house and look at the mini-game on the front door.