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3D ngaphakathi komgogodla
Sebenzisa i-alkali engamelana ne-fiber
I-grp ye-3D ngaphakathi kwebhulashi eliyisisekelo nge-glue, bese kulungiswa ukubumba.
Okwesibili akubeke ekubumbeni nasekugwebuni.
Umkhiqizo wokugcina uyibhodi ekhonkolo ye-3D grp ye-grp.
