Figure 8.
The embossments obtained during the joint forming process for identical materials of the top and bottom sheets. Sheet arrangement in accordance with Table 2: (a) no.1, (b) no.4, (c) no.7.
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.