BS W 13:1973+A1:2014

Diameter - A measurement across a circle passing through the middle

Steel - An alloy made predominately of Iron combined with <2% carbon

Components - Multiple items used to complete the product.

Corrosion - The wear and tear of an object.

Resistant - Something that can repel against something.

Specification - A description of a product with the details of its attributes.

Transport - Something that carries people or goods.

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