Park was a member of the Transport & General Workers Union.

He has been a member of the Transport and General Workers Union since 1979.

Thornberry joined the Transport and General Workers Union in 1985.

After the war he was than especially close to workers who were part of the newly founded General Workers Union, particularly at the shipyards.

The same year, he was elected president of the General Workers Union.

He was elected as a branch chairman within the Transport and General Workers Union 1979-1985.

In 1984, with a membership of 1,600, it merged into the Transport and General Workers Union.

He also became involved in the work of the Transport and General Workers Union.

The Transport and General Workers Union countered by making a claim for increased pay.

Trade unionists have been killed like the leader of the General Workers Union.