In Spector v. Lankford, 151 Ga. App. 397, 398 (2) (259 SE2d 654) (1979), the Court held that the admission of a deposition at trial was proper, although it had not been made available to the witness for examination and signature. Spector, however, involved a "unique situation" where the deposition in question was taken after the court adjourned for the first day of trial because the witness had an out-of-state business commitment that prevented him from attending trial the next day, and the parties were "well aware that by the time the transcript was prepared the witness would be unavailable to sign it." Id.