2015-06-01 Tomasz Siniak’s video training of impositions via PuzzleFlow PDF Organizer software, made in Becolour company of Piaseczno near Warsaw of Poland, during his short employment on the CTP DTP operator position with operation of CTP Screen PlateRite 8300E (B1 size) thermal imagesetter machine inline with Sirio TH 120 developing machine. Copyright by Tomasz Siniak, ACCHSH PuzzleFlow PDF Organizer impositions software, Becolour company from Piaseczno and others.