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When health people eat in restaurants-as they must-they become the beneficiaries rather than the providers of community sanitation. As beneficiaries they will be more then a little interested in this study of the capacity of commercial dishwashers to remove bacteria from various kinds of service plates.

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Catalysts prepared from an amorphous FeglZrg alloy exhibit an activity for ammonia synthesis which is more than an order of magnitude higher than that for polycrystalline iron.