Since the invention of Ductile Iron, also known as Spheroidal Graphite Iron or Nodular Cast Iron in 1949, it has become the most preferred pipe material for water supply and pressure sewerage applications around the world.ince the invention of Ductile Iron, also known as Spheroidal Graphite Iron or Nodular Cast Iron in 1949, it has become the most preferred pipe material for water supply and pressure sewerage applications around the world.
The 1994 Federal Register TRI listing of chlorsulfuron (59 FR 1788, January 12, 1994) also cited a slight treatment-related decrease in maternal fertility in the F3 generation observed in a rat chronic toxicity study (Ref.
  History of Irn-Bru   It appears the inventor of Irn-Bru was Robert Barr, founder of the A.G. Barr soft drink company. Irn-Bru was first produced in 1901 by A.G. Bar â¦ r in Falkirk, Scotland under the name of Strachen's Brew.The name was changed to Irn-Bru in 1946 when the laws in Scotland changed and the carbonated soft drink, which was not brewed at all, could no longer contain the word brew in its name.rn-Bru is a soft drink originating in Scotland and produced by A. G. Barr. Irn-Bru is bright orange and has a unique flavour.