Kue Ken Balanced Jaw Crusher Mineral Processing . An OUNCE OF PREVENTION. Is worth a POUND OF CURE. A KUEKEN BALANCED CRUSHER. Prevents Crushing "Aches and Pains" These are the "Aches and Pains" These are the "Cures" that have been tried SMALL REDUCTION RATIOS TWO OR MORE CRUSHERS, SCREENS, BINS, ELEVATORS, ETC.