| Group A | Group B | Group C | Group D |
Sample | Titanium & artificial saliva | Titanium & artificial saliva & lemon | Titanium & artificial saliva & salted fish | Titanium & artificial saliva & saka-saka |
Number of test tubes | 6 | 5 | 6 | 7 |
Number of solid titanium samples | 6 | 5 | 6 | 7 |
Identification of weeks | 3, 4, 5, 6, 7, 8 | 3, 4, 5, 6, 7 | 3, 4, 5, 6, 7,8 | 2, 3, 4, 5, 6, 7, 8 |
Identification tablet color | Yellow | Red | Green | Blue |