A mask for use on a layer of imaging material which is located on at least a portion of one surface of a substrate in a lithography process in accordance with one embodiment of the present invention includes a layer of a masking material which has an optical density of at least 4. Methods for producing a maize plant that comprise crossing inbred maize line PH8T0 with another maize plant. The decoder metrics include a first metric and a second metric. The rotor core has three rotor poles corresponding to the stator poles.