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.
world largest digging machine Bagger 288 This machine is the largest digging machine in the world. The bucket-wheelerexcavator named Bagger 288 (Excavator 288)is built by the German companyKrupp. More specifically, it is a mobile strip mining machine. It is the largest tracked vehiclein the world at 13,500 tons.