Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The test groups and associated parameters.
| Sets | Groups | Laser beam scanning rate (mm/sec) | Water Spray |
|---|---|---|---|
| A | 1. Acid etched | 25 | Yes |
| 2. Not acid etched | |||
| B | 3. Acid etched | 50 | Yes |
| 4. Not acid etched | |||
| C | 5. Acid etched | 50 | No |
| 6. Not acid etched | |||
| D | 7. Acid etched | Positive control | NA |
| 8. Not acid etched | Negative control |
