Ngokwemveli, abantu bahlala besebenzisa i-bakelite, umbane, inayiloni, iplastiki, irabha, i-ceramic kunye nezinye izinto zokugquma njengezixhobo zombane ze-matrix ngokudibeneyo ezibizwa ngokuba yi-bakelite yombane.Sisidibanisi sombane esiyimfuneko phakathi kwe-appli...
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