BS 4481-2:1983

Hand - A part of the body at the end of the arm

Hand - A pointer which indicates time on a clock face

grinding - A process for finishing an object to improve the finish of the surface

cutting - The seperation of an object usually using a cutting tool such as a knife

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

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

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