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A number of materials contract on heating within certain temperature ranges; this is usually called negative thermal expansion, rather than "thermal contraction".For example, the coefficient of thermal expansion of water drops to zero as it is cooled to 3.983 °C (39.169 °F) and then becomes negative below this temperature; this means that water has a maximum density at this temperature, and ...
The municipal council consists of twenty-seven members elected by mixed-member proportional representation.Fourteen councillors are elected by first-past-the-post voting in fourteen wards, while the remaining thirteen are chosen from party lists so that the total number of party representatives is proportional to the number of votes received.