Complex sentence: The CASA III was a parasol wing monoplane with a fabric-covered steel tube fuselage and it had two tandem open cockpits and wide tack fixed conventional landing gear with a tail skid.
Split into simpler sentences: The CASA III was a parasol wing monoplane with a fabric-covered steel tube fuselage. It had two tandem open cockpits and wide tack fixed conventional landing gear with a tail skid.