tokens: The following process parameter shall be controlled : 1 . applied electrical current characteristics ( voltage , intensity , current density ) , 2 . composition and pH - value of the electrolyte , 3 . location of the electrodes and their distance with respect to the part , 4 . temperature of the bath , 5 . stirring parameter of the bath , 6 . volume of the electrolyte with respect to that of the treated part , 7 . process time .