The difference between them is the Pure Sine Wave inverter produces a better and cleaner current. They are also considerably more expensive. You might find it practical to get a small Pure Sine Wave inverter for any special need you may have, and also a larger Modified Sine Wave inverter for the rest of your applications.
Elm Trees can live over 100 years in their natural environment.
The Elmâs Place in History. Because of its hardy adaptability and longevity-one tree in New York is estimated at more than 650 years old-the elm is associated with more historical events than any other American tree.