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.
Polyester t-shirts were composed of a polyester staple fibre with a hexagonal cross-section arranged at a density of 18 rows and 25 columns per cm fabric with a mock eyelet double jersey knit. Cotton t-shirts were composed of a staple fibre with a “bean” shaped cross-section arranged at a density of 15 rows and 20 columns per cm fabric with a single jersey knit.
