Items:
1. Motivator belt. Basically a transport belt that just needs to look different. Preferably in 3 colors - basic, fast, express.
2. Electric transformer.
3. Burner transformer.
You have full artistic freedom. As long as it's logical and fits the concept (burner, electric) I'm fine with it. I'm not one to nitpick
They are all 1 tile x 1 tile graphics. No special requirements.