When you start talking about light and healthy meals suddenly everyone starts in on the salads.
The beginning of Iron Age varies as per the regions and it is evident that every region that experienced this time period had actually had it in an exclusive time period which was different from every other region in this case. In China, Iron Age began around 600 B.C. In ancient periods of Korea and Japan, the Iron Age is considered to begin during 500 to 400 B.C. As per the Britannica Encyclopedia, iron was used under limitations in the ancient Middle East during 3000 B.C. It claims that metal was much more dominant in that region at that particular time.
Non-ferrous metals have been used since the beginning of civilization. The discovery of copper in 5,000 BC marked the end of the Stone Age and the beginning of the Copper Age. The later invention of bronze, an alloy of copper and tin, started the Bronze Age.