GEOGRAPHY:SECONDARY SECTOR
Hello,here you have some raw materials and their transformation: http://prezi.com/rsryncu7bka_/?utm_campaign=share&utm_medium=copy -Secondary sector: economic sector that consist of constructions and industry -Raw energy: resource that is transformed into finished or semi-finished products by means of an industrial process -Energy source: natural source that provides the necessary power to operate machines -Human source: workers,personnel -Capital: money buildings and machinery used in industrial production -Strike: period of time when workers agree to stop working to get better working conditions -Steel: metal alloy of iron and carbon that can be elastic,hard or resistant,depending on the proportions of the mix -Concrete: very hard building material made by mixing small stones,sand,water and cement