| LIST I | LIST II | ||
|---|---|---|---|
| A | Bisque firing | I | Second firing |
| B | Glaze | II | First firing |
| C | Pyrometric cones | III | Temperature measuring |
| D | Pyrometer | IV | Pyramid shape |
Bisque is the first firing,
glaze is the second,
pyrometric cones measure temperatures visually,
and pyrometers measure temperatures digitally.