Water heating by a domestic water heater. Two conflicting safety issues affect water heater temperature—the risk of scalding from excessively hot water greater than , and the risk of incubating bacteria colonies, particularly "Legionella", in water that is not hot enough to kill them. Both risks are potentially life-threatening and are balanced by setting the water heater's thermostat to . The European Guidelines for Control and Prevention of Travel Associated Legionnaires’ Disease recommend that hot water should be stored at and distributed so that a temperature of at least and preferably is achieved within one minute at points of use. If there
London drops London drops London drops ("Lontoon rakeet" in Finnish) are a type of liquorice candy sold in Finland and Sweden first by Chymos, later by Fazer. London drops are oblong-shaped sweets about 2 cm long and 5 mm thick. They consist of a soft liquorice-flavoured core inside a hard, sugary aniseed-flavoured coating. They are coloured in pastel colours, coming in white, pale purple and pale yellow. Good & Plenty is a similar candy available in the United States. Similar sweets are known as liquorice comfits in the UK, and a liquorice-flavoured sweet called Torpedoes made by Haribo appear to be similar.