356 / | HD | OPTICS: MEASURING AND TESTING |
FOR 100 | DF | INSPECTION FOR FLAWS OR IMPERFECTIONS (356/237) {3} |
FOR 102 | DF | .~ Passing light through a transparent or translucent article (356/239) {1} |
FOR 103 | .~.~ Containers (e.g., bottles) or contents (356/240) |