It probably means that the ring is 18 karat gold electroplated, not solid gold.
There is no "Sa"
If you mean the verb 'to work' it would be 働く /ha ta ra ku/ in all its present conjugations. If you mean work like a piece or production such as art etc it would be 作品 /sa ku hin/.
ElementWeight %SA 334 Gr.6C≤ 0.30Mn0.29 - 1.06P≤ 0.025S≤ 0.025Si≥ 0.10Febalance
SA 234WPB is the code of a carbon steel; see the ASTM or ASME specifications.
It means 10 karat South Africa
i believe the SA stands for south Africa or the origin of the ring
18k means that it is 18 karrot however, the GE indicates that it is GOLD ELECTROPLATING this means that there is a very thin layer of gold over a base metal. The SA is a makers mark and due to the fact that there is so many makers out in the world it would be very hard to determine which maker made your ring.
It probably means that the ring is 18 karat gold electroplated, not solid gold.
Silver that is sterling silver is 92.5 percent pure silver, and it will almost always be marked with this number in some way. Many jewelers will stamp this number either as "925" or as ".925," but both mean the same thing.
Kahirapan. Kapusukan ng kabataan. Maari ring kakulangan sa kaalaman sa pagplaplano ng pamilya.
Can you please Define, Sa can mean alot of thing Sa can mean: 差 - Difference 鎖 - Chain さ  - The and many more
San Andreas
sa = (his/her) jambe = leg sa jambe = his leg / her leg
Sa kap fèt mean in English: What's going on?
SA means Surface Area
The SA in GTA-SA is for San Andreas, the region where the game takes place.