Complex sentence: The visual effect of the tools used to create Cybermen were reused from the "Doctor Who" episode "The Age of Steel", while the UFO footage when the Torchwood team return from the drinks was a tin foil-covered frisbee on a fishing line.
Split into simpler sentences: The visual effect of the tools used to create Cybermen were reused from the "Doctor Who" episode "The Age of Steel". The UFO footage when the Torchwood team return from the drinks was a tin foil-covered frisbee on a fishing line.