Figure 6.
Water penetration height when the wax–water ratio is (a) 0, (b) 0.5, (c) 0.7, and (d) 1.0.
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.