The Olive Tree of Vouves Crete -- The oldest known olive tree on Earth, with a tree ring age >2,000 years. Carbon daters have estimated it to be about 4,000 years old, and it still produces olives today.
This is an antique design circa 1900s called a Belcher setting or "buttercup" with the six 14K yellow gold prongs holding up the old European cut diamond in a fashion that the name implies. Description from etsy.com. I searched for this on bing.com/images
BMW E28 Alpinas1981To1987 Maintenance/restoration of old/vintage vehicles: the material for new cogs/casters/gears/pads could be cast polyamide which I (Cast polyamide) can produce. My contact: email@example.com