Complex sentence: The International Federation of Building and Wood Workers (IFBWW) is a global union federation of trade unions in the building, building materials, wood, forestry and allied industries, established in 1934 by a merger of the Building Workers International and Wood Workers International.
Split into simpler sentences: The International Federation of Building and Wood Workers (IFBWW) was a global union federation of trade unions in the building, building materials, wood, forestry and allied industries. It was established in 1934 by a merger of the Building Workers International and Wood Workers International.