Parts of Speech for Polystyrene
pol·y·sty·rene
P p Gramatical Hierarchy
Grammatically "Polystyrene" is a noun. But also it is used as a adjective.
All about polystyrene Download all about polystyrene in pdfGrammatically "Polystyrene" is a noun. But also it is used as a adjective.
All about polystyrene Download all about polystyrene in pdf