Complex sentence: In 1962 the British Transport Docks Board was formed as a result of the Transport Act of 1962, in 1981 the company was de-nationalised by the Transport Act 1981 and Associated British Ports was formed.
Split into simpler sentences: In 1962 the British Transport Docks Board was formed by the Transport Act 1962. In 1981 the company was privatised by the Transport Act 1981, and Associated British Ports was formed.