NaturalGasFurnace.JPG
Gundeep Dorka
en
NaturalGasFurnace, Life Cycle (natural gas)
commons
en
NaturalGasFurnace, Natural gas, Diagrams in English
commons
ja
自然ガス炉
commons_translated
ja
NaturalGasFurnace、天然ガス、英文のダイアグラム
commons_translated
gas furnace natural gas natural language gassing