Complex sentence: The Moore 24 is a keelboat designed by Santa Cruz, California surfer/sailor, George Olson, it is one of the first ultralight displacement sailboats, or ULDBs entering production in 1972.
Split into simpler sentences: The Moore 24 is a keelboat designed by Santa Cruz, California surfer/sailor, George Olson. It is one of the first ultralight displacement sailboats, entering production in 1972.