Eminyakeni yamuva, inqubo yepulasitiki, indlela ethandwa kakhulu yokwenza, i-rolling processing plastic. Ukubunjwa kwe-Roll, okwaziwa nangokuthi ukubumba okujikelezayo, ukubumba okujikelezayo, kuyindlela yokubumba engenalutho ye-thermoplastic. Ukubunjwa kwama-roll kwaqalwa ngeminyaka yawo-1940s e-United Kingdom, ukubumba ama-roll kwaphuma ngo-188...
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