Copper is still the most popular material used for wires because it is a very good conductor of electrical current and it is fairly inexpensive when compared to gold and silver.
(Copper; is; T:still; the most popular material used for wires; because it is a very good conductor of electrical current and it is fairly inexpensive) (the most popular material; used; for wires) (it; is; a very good conductor of electrical current) (it; is; fairly inexpensive; T:when compared to gold and silver)
Copper the most popular material it it
is used is is
T:still the most popular material used for wires because it is a very good conductor of electrical current and it is fairly inexpensive
for wires
a very good conductor of electrical current
fairly inexpensive T:when compared to gold and silver