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.
Vodka. Vodka is a distilled beverage composed primarily of water and ethanol, sometimes with traces of impurities and flavorings. Vodka is made by the distillation of fermented substances such as grains, potatoes, or sometimes fruits or sugar.Traditionally prepared vodkas had an alcoholic content of 40% by volume.Today, the standard Ukrainian, Polish, Russian, Latvian and Lithuanian vodkas are 40% alcohol by volume or 80 proof.odka is made by the distillation of fermented substances such as grains, potatoes, or sometimes fruits or sugar. Traditionally prepared vodkas had an alcoholic content of 40% by volume. Today, the standard Ukrainian, Polish, Russian, Latvian and Lithuanian vodkas are 40% alcohol by volume or 80 proof.