Metals Metals are opaque, lustrous elements that are good conductors of heat and electricity.
(Metals Metals; are; opaque, lustrous elements that are good conductors of heat and electricity) (opaque, lustrous elements; are; good conductors of heat and electricity)
Metals Metals opaque, lustrous elements
are are
opaque, lustrous elements that are good conductors of heat and electricity
good conductors of heat and electricity