What is the general service life of snowboards? What should I pay attention to?

The life of snowboards depends on the brand. The small blackboard has a long life, and other brands are not good. If it is twisted, scratched or worn, it needs maintenance. Can I see this/link for maintenance? URL = WNV ub 44 hjojgsxoddwskkqoizt-gEsd-IktUVEQMHUch _ ma 0 vrdcin 498 xnkteqs _ gtjhh 1 liuffbfvgpmgtwlk