secondary

• secondary industries

  engaged in the conversion of the materials provided by primary industry.
• manufacturing industry

  concerned with the process or transformation of raw materials and semi-finished products into finished products.
• analytical

  basic raw materials are broken down into several useful materials.
• synthetical

  2 or more materials are mixed to form a new product.
• synthetical

  2 or more materials are mixed to form a new product.
• processing

  a material is processed through various stages.
• assembling

  manufactured components/parts are combined together mechanically or chemically to produce a new product.
• construction industry

  engaged in the construction of buildings, bridges, roads, etc.

  they utilise the products of manufacturing industries.