Criteria of Classifying of materials

Criteria of classifying materials

  1. Based on the coding of materials
  2. Coding by the end used
  3. Color marking
  4. Technical affinities

Based on the coding of materials

This involves the consideration of materials by reference to their own inherent characteristics. The first stage is to collect similar items into a series of main group such as raw materials body parts etc.

Coding by the end use

This means arranging the codes to correspond with the purpose for which the various items are eventually employed.

Colour marking

Code numbers are at time supplemented by colour marking on the various materials or part of the material.

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