Mu myaka yashize, icyifuzo cya aside polylactique (PLA) cyiyongereye kubera imiterere irambye kandi ihindagurika mu nganda nko gupakira, imyenda, no gucapa 3D. Nyamara, gutunganya PLA bizana nibibazo byihariye, cyane cyane kubijyanye n'ubushuhe no korohereza. Injira i ...
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