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 Elm may be one of the most well-known trees on the planet, but not very many people realize that the perennial has an interesting past. Some intriguing facts about the Elm include: 1  The first Elm tree sprouted up more than 20 million years ago during the Miocene period.