The graph shows the cause of fire in London As can be seen from the graph above， careless smokers， defective insulations and children playing with matches are the three major causes of fire in London。
Smokers are the biggest cause of all， which accounts for 50 percent of the fires。 Children playing with fire come next， which is responsible for 37。5 percent of fires。 Defective insulation is the last cause， which attributes to 12。5 percent of the fires。
From this we can conclude that no matter what kind of fire it was， carelessness seems to be the root causes。 Therefore， people should be advised to be more careful with fire。 Children should be warned of the danger of playing with matches。 Electric workers should be instructed to take good care of insulation。 In this way， I am sure that the fire will become less and less。
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