A. Using less water powder ratio
B. Storing the impression under water
C. Prolonged manipulation
D. Using humidor
Correct Answer: Using humidor ✔
Last Updated: February 07, 2020
A. Using less water powder ratio
B. Storing the impression under water
C. Prolonged manipulation
D. Using humidor
Correct Answer: Using humidor ✔
Last Updated: February 07, 2020