the country that produces polyester is Asia.
the country that makes most bread is Italy
Most likely wool or polyester.
Polyester does not have an opposite. Lots of materials are different than polyester, but not in a way that makes them into actual opposites.
Robes can be made with numerous fabrics including cotton, silk, polyester, valor, etc. The most common types would be made using a mix of a few of these. Most common would be cotton and polyester.
probably the polyester
No country makes gold. It is, however, found within countries.
Spain is the traditional country.
CHINA
u.s
japan
U.s.a ??