Joalo ka ha le tseba kaofela, hlobo ea polasetiki ke khutsufatso ea hlobo e kopaneng, e koahelang ho bopa ha compression, extrusion molding, ente ea ente, foam le foam e tlase. Liphetoho tse hokahaneng tsa mold convex, hlobo ea concave le sistimi e thusang ea ho bopa, re ka sebetsana le letoto la polasetiki ea ...
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