looduslik gaas, mis on muudetud läbipaistvaks, värvituks ja lõhnatuks vedelikuks temperatuuri langetamisel atmosfääri rõhu tasemele -162° C

natural gas, largely composed of methane, which has been refrigerated to a liquid. The boiling point of methane at atmospheric pressure is -161°C. Because of its low critical point, it must be cooled