Φωτογραφία 1: Transformation process of shale gas, chemical conditions and effects.
Φωτογραφία 2: Transformation process of shale gas, chemical conditions and effects.
Φωτογραφία 3: Transformation process of shale gas, chemical conditions and effects.
Φωτογραφία 4: Transformation process of shale gas, chemical conditions and effects.
Φωτογραφία 5: Valves of gas supply.