Figure 7.
Drawing tool selection. From left to right: region severity dropdown list, selection tool, line tool, rectangle tool, ellipse tool and freehand drawing tool
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.