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Main topic information
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Practical exercises
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Student Self-assessment
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Additional information
Terms and Definitions
Polystyrene – is being obtained from petroleum. It is mostly used with the abbreviation PS. At room temperature, polystyrene is a thermoplastic in solid-state; it is melted at high temperatures while being processed by injection or extrusion. It is then cooled to solidify again
Galvanization – is a process for coating of steel immersed in molten zinc at 450-455 degrees.
