In linking a subordinate clause and a main clause, a relative pronoun functions similarly to a subordinating conjunction. Unlike a conjunction, however, a relative pronoun does not simply mark the subordinate (relative) clause, but also plays the role of a noun within that clause.
The main ingredient in most vodkas is some kind of grain, such as wheat, corn or rye. Potatoes are another common base ingredient for vodka, according to About.com.
Best Answer: 1. To make potato vodka you need the following for 1 liter, double the recipe for 2 liters: -2.5lbs of potatoes by weight, peeled and diced finely. -1 Pressure cooker. -A distillery, if you do not have one, you can make one by using a large pan with a lid that has a heat safe hose.