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