Webster’s Revised Unabridged Dictionary · 1913
Proplastics
Pro·plas′tics (·plăs′tĭks), n. The art of making molds for castings. [R.]
Webster’s Revised Unabridged Dictionary · 1913
Pro·plas′tics (·plăs′tĭks), n. The art of making molds for castings. [R.]