Industry began in its present form during the s aided by technological
advances and has
continued to develop into new types and sectors to this day Many developed countries for example the UK the US and Canada and many developingsemideveloped countries
Peoples Republic of China India etc depend significantly on industry Industries the countries they reside in and the economies of those countries are interlinked in a complex web of interdependenceThere are four key sectors of industry the primary sector largely raw material industries such as mining and farming the secondary sector involving refining and manufacturing the tertiary sector which deals with services such as law and medicine and distribution of manufactured goods and the quaternary sector a relatively new type of industry focussing technological research design and developmentIndustry in the
second sense became a key sector of production in European and North American countries during the
Industrial Revolution which upset previous mercantile and feudal economies through many successive rapid advances in டெக்னாலஜி
