One-piece units usually use cable resistance to exercise the major muscle groups of the body, while other machines focus on just one muscle at a time. Harvard Medical School points out that a 185-lb. person burns 266 calories in an hour performing a basic weight workout.
What it is: A master limited partnership (MLP) is a publicly traded limited partnership. Shares of ownership are referred to as units. MLPs generally operate in the natural resource, financial services, and real estate industries.
Master Limited Partnerships have the same liquid trading characteristics as common stock, yet they are very different from common stocks. The most obvious difference is that MLP's are 'pass through' investment vehicles--they pass through the income to you the investor.