Table 2.
Self-cleaning and presence of wax.
| Variables | Yes | No |
|---|---|---|
| Self-cleaning | ||
| Yes | 24 | 70.6 |
| No | 10 | 29.4 |
| Wax | ||
| Yes | 10 | 29.4 |
| No | 24 | 70.6 |
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.