Ferrous metals: 1) iron, 2) steel
Nonferrous metals: 1) lead, 2) zinc, 3) copper
Alloys: 1) bronze, 2) brass,3) solder
Polymers/plastics: 1)lubricants,2)fibers, 3) polypropylene
Mixtures: 1) cement, 2)gasoline, 3)bleach
Compounds: 1)chloride, 2)sucrose
Ferrous metals: 1) iron, 2) steel
Nonferrous metals: 1) lead, 2) zinc, 3) copper
Alloys: 1) bronze, 2) brass,3) solder
Polymers/plastics: 1)lubricants,2)fibers, 3) polypropylene
Mixtures: 1) cement, 2)gasoline, 3)bleach
Compounds: 1)chloride, 2)sucrose