1.Preparation: a proceeding, measure, or provision by which one prepares for something
2. achievement: something accomplished, especially by superior ability,special effort, great courage
3. positive: Confident and sure; not doubting.
4.advantage: benefit; gain; profit
5. strengthen: to make stronger; give strength to.
6. procedure: a particular course or mode of action.
7. research: investigate carefully
8. instructor: a person who instructs; teacher
9. indicates : to show; to point out
10. improvement : To change for the better.
11.outstanding:better than others; standing out from the rest.
12.considerable: much
13. sequence;An arrangement where one thing follows another
14.discipline Training and self control.
15.exhibition: A public display of objects or skill
16. maintain: To keep in a certain state.
17.precise: very careful and exact.
18.attractive: pleasing; getting others; attention and approval.
19. rigorous: Strict and difficult.
20. essential: very important.
