BS 8511:2010

fuel - A material used to generate energy.

Wood - A hard material found in trees. Used for tool making, fuel and construction.

Small - something that takes up less space than normal.

Ventilation - Giving fresh air to a room on someone's lungs.

Instructions - An informative direction to take.

Design - A drawing or styles that shows the look and functionality of something before its made.

Solid - Something that is firm and not liquid, a hard shape that cannot be changed easily.

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