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.
1. United States. The US economy is the largest economy in the world in terms of nominal GDP (measured at current prices in US dollars). The $17.41 trillion US economy is approximately 22.44 percent of the gross world product.