There is no rule that what words must be engraved is the best, as long as it is meaningful. You can also engrave your last name. You can also engrave numbers.
Ancient craftsmen began to carve the bottom paragraphs by hand, including their surnames (and names) and possibly the names of the guests.
The common hand-carved surnames at the bottom of old lamps and specimens in Song Dynasty, such as Wang, Yang, Chen, Zhan, Jin and Li, should be the personal or family marks of craftsmen. This surname of Jianzhan is similar to the inscription of the surname of kiln owner and craftsman with commercial nature. Besides being used for burn marks, it may have a famous effect.
At present, there are two, three, four, six, seven, nine, ten, twenty-one, twenty-nine, thirty-one, thirty-two and thirty-five.