In any method to choose the properties, durability, consider what is required and can be considered as part of a barrier-free safety. Important element is that the longer I can live in peace. option period can buy peace of mind. Let the conditions of choice. And make the width of the corridors and toilets, safety first. The minimum conditions of security. If you have plenty of property performance evaluation of a third party appraisal experts, intuitive way to assess the earthquake resistance, as if you bought the last, barrier-free structure is often difficult to put the , that if we show the performance of housing.