Compound lever could be measured. Compound lever The compound lever is a simple machine operating on the premise that the resistance from one lever in a system of levers will act as power for the next, and thus the applied force will be amplified from one lever to the next (as long as the mechanical advantage for each lever is greater than one). Almost all scales use some sort of compound lever to work. Other examples include nail clippers and piano keys. A lever arm uses the fulcrum to lift the load using and intensifying an applied force. In practice, conditions may
Lever House project included the addition of marble benches and an Isamu Noguchi sculpture garden to the building's plaza – elements in the original plans for the building which were never realized. In 2003, Lever House Restaurant became the first business to operate as a restaurant at Lever House and later won "New York Magazine"'s Best Service award in 2004. Lever House Restaurant closed in early 2009. As of October 2009, restaurant Casa Lever occupies the former Lever House Restaurant space. Aluminum producer Alcoa is headquartered in Lever House. As of 2005, the building's tenants included Thomas Weisel Partners LLC, which maintains