Tanthauzo la mbale ya PS ndi mbale yodziwitsidwa kale yomwe imagwiritsidwa ntchito posindikiza. Pakusindikiza kwa offset, chithunzi chomwe chiyenera kusindikizidwa chimachokera ku pepala lophimbidwa ndi aluminiyamu, loyikidwa mozungulira silinda yosindikizira. Aluminiyamu amathandizidwa kuti pamwamba pake ndi hydrophilic (amakopa madzi), pomwe opangidwa PS mbale co ...
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