Technical staff Put the pieces of Shaft A section of the injection molding operation. Have increased due to the work that produced the problems I bumped into a spiral ridge. Brought the piece into the rooms to be compared with normal specimens. By a handful of pieces that finished inside the box and the Finish good rotating assembly Removable Shaft A View to compare. After a comparison employs technicians put back into the box containing the specimen. Without informing the responsible authorities.