Making your own grease-based bio-diesel may help your survival in other ways: cars running on it smell like Fried food, which could mask the smell of your delicious flesh from hungry zombies.

It is resistant to dirt, grease, water, oil, fibers, and dust, making it reliable in hot, wet environments.

The variations of compositions in pigskin in leather making were described. The main compositions are protein, water, grease or oil and ash.