It uses an array of microscopic and individually controlled mirrors to project an ultra violet light onto very thin slivers of a UV resin held in a shallow tray. (educationbusinessuk.net)
The satellite clocks are accurate to within one - millionth of a second of UTC — a very thin sliver of difference — as kept by the U.S. Naval Observatory. (discovermagazine.com)
Gently peel each egg and trim a very thin sliver from each end. (tastingtable.com)