"925" is a mark of sterling silver. It means 92.5% of the metal is silver, and the rest is copper to make the silver more solid.
That number indicates the fineness or purity of the metal content. 900 means the coin is 90% of that metal.
The vin is generally stamped into the trailer tongue frame or stamped on a metal plate that is welded to the trailer tongue frame.
It is stamped in the metal on the neck of steering .
Stamped steel.
375 stamped into a white metal ring indicates the number of carots in the jewelry. 9 carots White Gold. It is CARATS not carots
When a number or letter is STAMPED into metal, it causes a change in the crystal structure in the metal. If someone were to file or grind off a serial number, that change in the crystal is still there. One technique to to polish the metal smooth, warm the metal, and apply an acid to the metal. Where the crystal structure is different, the metal changes color, and the original number becomes visible.
on most bikes its tells you the cc on the cylinder base it is normally stamped into the metal like the engine number
The engine number is stamped into a flat metal area where the block meets the oil pan, just forward of the dipstick.
As the Common Metal Marks Stamped Inside Rings, TI=Titanium
Transmission pans can be cast metal, stamped metal, or plastic.
Cheap ones stamped metal evpensive ones cast metal
Diamonds are not stamped: perhaps the metal setting is stamped. Take your jewelery to a local jewelery shop and ask that the diamond be tested.