Irish dance (typically the top half of dancers graded after the first two rounds) of dancers are invited back to perform. The Céilí dances used in competitions are more precise versions of those danced in less formal settings. There is a list of 30 Céilí dances which have been standardised and published in An Coimisiún's "Ar Rinncidhe Foirne" as examples of typical Irish folk dances; these are called the "book" dances by competitive stepdancers. Most Irish dancing competitions only ask for a short piece of any given dance, in the interests of time. There are two types of shoes; soft shoes (also
Square Butte (transmission line) Butte crosses CU, another HVDC powerline. This is the only crossing point of two HVDC overhead powerlines in the Western hemisphere. The ground return electrode line starting at Adolph Static Inverter Plant is installed on portal pylons of the three phase AC-powerline from Adolph Static Inverter Plant to Marble Substation. It ends at . The electrode line starting at Adolph Static Inverter Plan consists of two underground 15 kV cables, each using aluminum conductors with a cross section of 380 mm. Square Butte (transmission line) Square Butte is the designation of a high voltage direct current transmission line in the