Goal:
Prevent dandruff.
Answer:
Mix half mouthwash with half water and soak scalp for a few minutes.

Goal:
vise grips
Answer:
are sold with duct tape at the hard ware store

Goal:
Find materials for a fire in an urban setting.
Answer:
Use paper, then building insulation to keep it going.

Goal:
To make a disc sander for a lathe durable enough.
Answer:
Use a double layer of plywood.