An ironing board has an electrically heated working surface with an electrical heater element disposed therein and an electrical connector for connection of an electrically heated iron. The medical device includes a stent and a retrieval device. When an excessive torque acts and the linking arm sections 15c are plastically deformed, the protrusions 20 change from a straight line to a non-straight line. Multiple data source types and data to and from different technology platform types can be supported. The system subsequently uses the predicted data value to continue executing the reduced version of the executable code without having to wait for the long latency operation to complete. Thus, the diffraction efficiency of the diffraction lens can be calculated easily.