There is provided an earphone comprising a hoop with a first and a second pivot point at least one end of the hoop. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing zone where liquid asphalt is combined with the materials and secondary combustion air flows through the first stage to evacuate blue smoke and steam back to the combustion zone. The gas fed on the membrane’s gas contact side transports through the membrane to form a biofilm of anaerobic microorganisms that converted the syngas to desired liquid products. The meta data transmitting unit transmits screen image data on the display unit, user operation information input via the input unit, and state information about the electronic device, which are collected upon reception of a meta data acquisition command from a support service terminal apparatus, to the support service terminal apparatus as meta data. The hydraulic cylinder is disposed in the pneumatic piston and communicates with the inside of the pneumatic piston.