"plastick\u00FDmi operacemi"@cs . "plastick\u00E1 operace"@cs . "plastick\u00FDch operac\u00ED"@cs . "plastickou operac\u00ED"@cs . "plastickou operaci"@cs . "plastick\u00FDch z\u00E1krok\u016F"@cs . "plastick\u00E9 operace"@cs .