Complex sentence: Officine Specializzate Costruzioni Automobili-Fratelli Maserati SpA, is usually abbreviated to O.S.C.A. and sometimes spelled OSCA or Osca, was an Italian brand of sports car automobiles.
Split into simpler sentences: Officine Specializzate Costruzioni Automobili-Fratelli Maserati SpA, abbrev. O.S.C.A, sometimes also spelled OSCA or Osca, was an Italian brand of sports car automobiles.