/*
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package gazstation;

/**
 *
 * @author denis
 */
class GazStation {
    public FilingColumn column1 = new FilingColumn();
    private static GazStation station;
    
    
    private GazStation(){}
    
    public static GazStation getState(){
        if(station==null) station = new GazStation();
        return station;
    }
    
    public void callGazProducer(FilingColumn column){
        GazProducer gazProducer = new GazProducer(column);
        System.out.println("Вызван бензовоз");
        gazProducer.start();
    }
}