Complex sentence: A 60% scale of the P-82 is being built by Bill Koleno of Geneva Ohio, who works at Titan Aircraft in Austinburg, Ohio as a designer, builder, pilot, and machinist.
Split into simpler sentences: A 60% scale of the P-82 is being built by Bill Koleno of Geneva Ohio. He works at Titan Aircraft in Austinburg Ohio as a designer, builder, Pilot, and Machinist.