BS A 250; A 251; A 252; A 253:1974

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.

Dimensions - The shapes and angles of something or a situation.

Head - The upper part of a body typically separated by the neck.

Transport - Something that carries people or goods.

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