The best way to size a p4 ring is with the Orion Fusion Welder. We mastered this at sandhillsgold.com. Also invented SHG Stone Guard which protects any stone while tipping.
I think it is the large gold ring
yes because when you heat a metal ring it will expand
A special oil control ring
ring distribution is round
It looks like Jim Ward invented circa 1975.
The O-ring was invented by Niels Christensen (1865-1952); a Danish-American inventor.
The spring ring was first patented in 1900.
sherman hallof
JiaJia almighty
keyring were invented in 1922 by a man called G. Herluf Jhonson, the actual ring part by a juggler from Russia in 1830's.
An electrical engineer, probably.
Stan HartStan Hart
William Harvey
Ring Binders were invented in 1886 by a man named Friedrich Soennecken. He also invented the hole bunch in 1886.
in the late -1500, in antiquity
bobby moore