Complex sentence: The Crosbyton Solar Bowl had a diameter of 65 ft or 19.7 meters, tilted at a 15 ° angle to optimize the cost/yield relation (33 ° would have maximized yield).
Split into simpler sentences: The Crosbyton Solar Bowl had a diameter of 65 ft or 19,7 meter. Tilted at a 15 ° angle to optimize the cost/yield relation (33 ° would have maximized yield).