Refining - or processing.
Raw materials used in processing cement are,Calcareous materials (limestone)Argillaceous materials (clay)GypsumCoal dust.
wood
None. Cocoa is itself a crude foodstuff and its products are the result of processing rather than being raw materials.
economic activity involving the processing of raw materials
economic activity involving the processing of raw materials
Well if the processing is milling flour, then the raw material is called "grist".
Well if the processing is milling flour, then the raw material is called "grist".
occupation that involves manufacturing of finished products from raw materials are called secondary occupations
processing
The process of turning basic materials into something people can use is called manufacturing. This process involves a series of steps such as producing, processing, assembling, and finishing raw materials to create finished products for consumer use.
Manufacturing takes raw materials and creates goods from them. Processing is taking existing items or materials and making them ready for further use or sale. Minerals and food are processed, not manufactured.