You will have to have a reducer made which fits your requirements, it also depends on your use but you can have a fitting or pressure line made that suits your needs. Consult with a professional... Search under yellow pages for suppliers of fittings and you'll get very good help there.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.