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.
The two top pictures (a and b) show a Z-twist fibre (Hemp) and the two bottom pictures (c and d) show a S-twist fibre (Flax). The analyzer is oriented vertically.
