Lilemong tsa morao tjena, tlhoko ea polylactic acid (PLA) e eketsehile ka lebaka la thepa ea eona e tsitsitseng le ho feto-fetoha ha maemo liindastering tse kang ho paka, masela le khatiso ea 3D. Leha ho le joalo, ts'ebetso ea PLA e tla le mathata a eona a ikhethang, haholo ha ho tluoa tabeng ea mongobo le kristale. Kenya...
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