What are primary, secondary and tertiary occupations? | Reference .According to About, primary occupations are those that extract or harvest products . involve the manufacturing of finished goods, and tertiary occupations are. . forestry, grazing, hunting, mining, quarrying, fishing, hunting and gathering.flow chart primary secondary and tertiary of mining,Secondary & Tertiary Crushing Circuits - Mineral Processing .Jul 24, 2015 . In this sector on Secondary and Tertiary crushing, we will continue the practice of . Then describe various flow sheets, and discuss the variables that influenced their design. . The feed comes from the primary crusher and will have a certain . Flotation · Flowsheets & Flowcharts · Geology · Gold Extraction.
flow chart primary secondary and tertiary of mining