The US Flag is usually made of a cotton/polyester blend of cloth.
The main blue part of the Eureka flag is made out of a woollen material commonly used for women's dresses in the 1850s. The stars are made of a fine, delicate (possibly silk) material, which appears to be the type of material used for ladies' petticoats.
transverse wave
Muscles are made of a type of elastic tissue (sort of like the material in a rubber band).
denim
The flag, by law, is to be made of Khadi which is a special type of hand-spun cloth.
Type A
the trombone was made from wood
No. Neoprene is a material as are cotton and silk. A fabric is made out of material.
iron
laughing out loud?
metal oxide
IRON