For example, she said, that a man who wrote such exquisite and elegant music could be so foul mouthed". Mozart suffer from Tourettes syndrome. Those of greatest concern in cleaners include Quaternary ammonium compounds, or quats, such as benzalkonium chloride, added as germ killers in antibacterial cleaning supplies and disinfecting air fresheners; they are also used as fabric softeners; Ethanolamines (mono- di- and triethanolamine), commonly used to control product acidity (pH); they also act as detergents in many classes of cleaning products; Bleach (sodium hypochlorite) and ammonia (ammonium hydroxide), perhaps the most widely recognized cleaning ingredients in the world (AOEC 2012). They remained close personal friends - Barenboim and Jacqueline du Pr233; even honeymooned at Rubinsteins home. Mines or tunnels flooded often, even in Flash Gordon.