What is the purpose of etching?

Related questions

1. Are prints worth anything?
2. Are prints valuable?
3. What vehicle registration number is etched on windows?
4. What is a Rembrandt etching?
5. What is the difference between serigraph and giclee?
6. Does composite bond to dentin?
7. What does acid etch do to enamel?
8. Are limited edition prints worth buying?
9. Do paintings appreciate in value?
10. Is etching is essential every time?

Tags

1. #quantity
2. #technique
3. #metallographic
4. #predict
5. #properties
6. #highlight
7. #failures
8. #physical
9. #features
10. #metallurgists
11. #sample
12. #etching
13. #character
14. #different
15. #given
16. #studying
17. #microscopic
18. #distribution
19. #metals
20. #explain
21. #levels
22. #these
23. #chemical
24. #metal
25. #performance