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An archaeologist explores the importance of flint to Stone Age man. A modern day worker makes a replica of a Stone Age arrow, showing us how skilled Stone Age people were in their use of flint. He even makes a ‘Stone-Age glue’ from pine resin, beeswax and charcoal to hold the arrowhead in place. There was, at that time, no knowledge of metal or metal-working so survival depended on making these tools and weapons. No wonder it is known as the Stone Age.