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The jewelry mark of a "T" inside a triangle on a Swiss watch indicates that the watch contains tritium, a radioactive isotope used for luminous paint on watch dials and hands. Tritium provides better visibility in low light conditions and is considered safe due to its low radiation levels. This mark is often found on watches produced before the mid-2000s, as regulations surrounding the use of radioactive materials have since changed.
What else can I help you with?
What does pdi stamped inside a ring stand for?
It stands for Precious Designs, Inc. Their jewelry is nice.
On the bottom of a pop bottlewhat does HDPE inside of the recycling triangle stand for?
High Density Polyethylene
When did Stand of the Swiss Guard happen?
Stand of the Swiss Guard happened on 1527-05-06.
What does 333 stand for on jewelry?
333 gold is the equivalent of 9kt. gold stamped mostly inside rings from Europe.
What does the letters RJ stand for on the inside of a ring that is sterling silver?
The letters "RJ" likely stand for the initials of the jewelry maker or manufacturer who crafted the ring. It is a common practice for creators to inscribe their initials or logo on jewelry pieces for identification and branding purposes.
What does CH stand for on a Swiss car?
Confoederatio Helvetica, "swiss" or "helvetic confederation"
What does CHF stand for?
CHF is the abbreviation for the Swiss currency (Swiss Franc)!
What does Swiss stand for?
kill a scrap when i see a scrap
What does a triangle stand for in shorthand?
The triangle in shorthand means "therefore"
What does k Swiss stand for?
kill a scrap when i see a scrap
What does the ch on a Swiss number plate stand for?
Danzig helvetia
What does sao stand for in regards to jewelry?
SAO could stand for "Sterling Silver" in the context of jewelry, indicating that the piece is made of sterling silver, which is a popular metal used in the production of jewelry.
