hastyAbstraction3.cs

class Car
{

  public  void  Maintenance10k () {
    BaseMaintenance()
  }

  public  void  Maintenance30k () {
    BaseMaintenance()
    CheckSpareWheel
  }

  public  void Maintenance50k () {
    BaseMaintenance()
    CheckSpareWheel
    CheckGearbox
  }
  
  public  void BaseMaintenance() {
    CheckBreakFluid();
    CheckBatteryTerminals();
    CheckEngineOil();
  }

  
}