The invention refers to an aluminium alloy, a clad or unclad material for brazed products containing said alloy as a core, as well as a method of producing materials to be used in brazed products from said alloy. The solution guide member has a sharp-pointed portion protruding from a liquid surface of a flowing solution in which charged particles are dispersed. The winglet also has a front spar with a front spar web, an upper front spar cap, and a lower front spar cap. After cleaning the pacifier or bottle cap, the dirty cleaning liquid is released so new clean liquid may be used for the next cleaning. Each cell is charged with a brine of specified ionizable inorganic salt quantity and type with the brine being cycled in a controlled concentration-pressure loop, with each of the cells operating at progressively increasing concentration and osmotic pressure ratio. The first fluid container is adapted to contain a first fluid to be injected.