'Encarta says clothes with a high content of this plastic fiber "became popular in the 1970s"'
Polyester
NONMETALS: Encarta says clothes with a high content of this plastic fiber became popular in the 1970s
Encarta says clothes with a high content of this plastic fiber "became popular in the 1970s"
Encarta says clothes with a high content of this plastic fiber "became popular in the 1970s"
NONMETALS
Polyester
NONMETALS