What are primary secondary and tershery industry?

1.PRIMARY INDUSTRY: primary industry is getting the raw materials. These can be from mining, quarrying, oil and gas drilling, agriculture, foresty, and finishing.

2.SECONDARY INDUSTRY:secondary industry takes these raw materials and makes into finished products, raging from tins to trains, needles to nucleur plants, or shoes to satellites.

3.TERTIARY INDUSTRY: tertiary industry does not produce prodtucts for sale, but enables the two other levels of industry function effectively.eg. office work, transport to carry goods, communications:- telephones, postal work and e-mail.