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Ilmu Pengetahuan dan Teknologi / Re: [share] Plastik....
« on: 11 July 2015, 08:33:04 PM »Quote
1. PE jika ditarik akan langsung meregangpengtahun baru nie tentang plastik sangat menarik
2. PP jika ditarik tidak akan langsung meregang
3. HDPE warnanya buram
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