Complex sentence: It evolved its proprietary EMPRENT an early PERT planning system used for the construction of North Sea Oil platform, and for the BAC TSR-2 which later was incorporated into MRCA multi-role combat aircraft which finally became Panavia Tornado.
Split into simpler sentences: It evolved its proprietary EMPRENT, an early PERT planning system used for the construction of North Sea oil platforms, and for the BAC TSR-2. Developments for the cancelled TSR-2 were later incorporated into MRCA multi-role combat aircraft, which finally became the Panavia Tornado.