Vaporizer pens can be used to inhale a number of different materials. Often, people call vaporizer pens by names that indicate what they are used to vape. The three main types include: - The oil vaporizer pen, which is also called an oil pen or oil vape pen.
The United States is the world's largest economy with a GDP of approximately $18.56 trillion, notably due to high average incomes, a large population, capital investment, moderate unemployment, high consumer spending, a relatively young population, and technological innovation.
Let see the top largest economies of the world as of 2015-2016: 1. U.S ($17. 5 trillion): The United States is known to be the worldâs largest national economy which represents to about 22% of the nominal GDP calculated globally (PPP).apan ($ 4.8 Trillion): The third largest economy of the world is the economy of Japan. The world economy will be carrying ahead the tradition of being in the list of the top ten countries of the world.