P3O1L1Y4T1H4E1N1E1S1
18 points
POLYTHENES is validvalid
POLYTHENE,
POLYTHENE, a generic name for certain thermoplastics, polymers of ethylene, also POLYETHYLENE
POLYTHENE,
POLYTHENE, a generic name for certain thermoplastics, polymers of ethylene, also POLYETHYLENE