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Lamp oil – (Greek: petroleum, stone oil), term for all hydrocarbons; oil/petroleum product with start and end of distillation at 180–240 oC, used for lighting, heating or for powering some internal combustion engines.

Launching trapfacility in a petroleum field where petroleum is delivered through oil/petroleum pipelines from other production facilities of one or more petroleum fields, where water is separated (oil dehydration), where oil is stored in reservoirs and delivered by pumps and oil/petroleum pipeline for refining.

Liquefied petroleum gas (LPG) – hydrocarbon gases that are primarily propane or butane or a propane/butane mixture produced by refining oil/petroleum or natural gas; liquefied under pressure in steel cylinders and tanks; used primarily as an energy source or as feedstock in the petrochemical industry.

Liquefied natural gas (LNG) natural gas liquefied at a temperature of –162 °C for the purpose of transportation in ships.

LNG – (Liquefied Natural Gas), natural gas liquefied at the temperature of –162 ˚C for the purpose of transport by ships (tankers for methane transportation).

LPG – (Liquefied Petroleum Gas), propane, butane or propane/butane mixture, product resulting from refining crude oil or natural gas; used primarily as an energy source liquefied in steel cylinders or reservoirs.

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