There are many other types of lightning that are not associated with storms, but the mechanism of a separation of positive and negative charges in the atmosphere still cause them. Some of the more common ones are St. Elmo's fire, air discharge, sprites, heat lightning, and ball lightning.
The world's largest steam shovel surviving intact is a Marion machine, dating from either 1906 or 1911, located in the small American town of Le Roy, New York. It was listed on the National Register of Historic Places in 2008.
Tenova Takraf, a major manufacturer of open cast mining equipment-including the world's biggest Bucket wheel excavator; NASA Astronomy Picture of the Day: Photo of bucket-wheel excavator crossing a road (22 November 2006) Big Wheels Keep on Turning - Information about the development of bucket-wheel excavators and similar vehicles.