These include a beaker pottery fragment, Roman ceramics and ancient stone hammers.
BBC: 'Breakthrough' at Stonehenge dig
Communicating by banging hammers on the stone, the miners give as much warning as the unpredictable fuses allow.
ECONOMIST: Under the ocean, up in the clouds
Other important stone-working tools include picks, hammers, drills and saws.
FORBES: Magazine Article
Khachkars are created usually using local stone and carved using chisel, die, sharp pens and hammers.
UNESCO: Culture
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