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.
SEM image of a SiC cleavage fragment to the left and a SiC fibre to the right. The scale bar represents 1 μm on the image to the left and 10 μm on the image to the right. In courtesy of Asbjørn Skogstad, National Institute of Occupational Health, Norway.
