The present invention relates to a pinch-proof garage door for protecting human fingers from being pinched. The method includes disposing target tissue between the fixed surface and the moveable member of a compression device and compressing the target tissue between the fixed surface and the moveable member. A first heater heats the heat sink, and a second heater heats the thermoconductor to thereby heat the heat sink. The control message may include a field andor an acknowledge sequence number for identifying the missing data packet. The support structure carries one or more flexible electrical contacts having a first end protruding from the first side of the support structure for making contact with an electrical line provided on the rail and a second end which extends towards the circuit board so as to provide electrical contact for the light radiation source or sources.