1 Roll out the other half of the dough and the cover the pie with it. 2  Crimp the edges of the two pieces of dough together and trim off the excess. 3  Make a hole in the centre of the pie so that the steam can exit. 4  Place the empanada into a medium-hot oven for half an hour.
A color analog video signal contains information about luminance (Y) and chrominance (C). When combined into one channel, it is called composite video. Composite, formerly the most common type of video signal in consumer-level video equipment, is typically delivered over a single cable with a yellow RCA-type connector.
See also: History of television. Video technology was first developed for mechanical television systems, which were quickly replaced by cathode ray tube (CRT) television systems, but several new technologies for video display devices have since been invented. Video was originally exclusively a live technology.