PD CEN ISO/TS 12747:2013

Oil - A hydrophobic liquid with high carbon and hydrogen content. Has many variations including; cooking oils, petrochemical oils, essential oils.

fuel - A material used to generate energy.

Physical - Used to describe strength or visual properties of an item

Safety - prevents damage being caused.

Natural - not manmade

Corrosion - The wear and tear of an object.

Extension - Something that is made bigger through adding to it, for example a conservatory extension on a house.

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