14. What does the word “temporary” mean? *
1. seldom
2. Rarely
3. only sometimes
4. all the time
15. Who gave the award? *
1. Mahidol University’s Chemistry Department
2. Thailand Toray Science Foundation
3. Privy Councilor Gen Prem Tinsulanonda
4. Prof. Vichai Ruetrakul
16. What is the effect of the natural compound? *
1. It effects the hormones.
2. It makes the sperm inactive
3. It doesn’t involve in family planning.
4. It gives men the permanent birth control
Signs and Pictures