Fig. 1.
Individual components of the CDS: A traction wire, B nail, C mechanics, D threaded rod spindle, E threaded rod, F interlocking screw
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.