Complex sentence: Orenstein & Koppel (normally abbreviated to "O&K" and later O&K KONE) was a major German engineering company that specialized in railway vehicles, escalators, and heavy equipment and was founded on April 1,1876 in Berlin by Benno Orenstein and Arthur Koppel.
Split into simpler sentences: Orenstein & Koppel (normally abbreviated to "O&K") was a major German engineering company specialising in railway vehicles, escalators, and heavy equipment. It was founded on April 1,1876 in Berlin by Benno Orenstein and Arthur Koppel.