ʻOku matuʻaki mahuʻinga ʻaupito kiate kitautolu ke tau fakapapauʻi maʻu pe ʻa e fokotuʻutuʻu ʻo ʻetau founga fokotuʻutuʻu leisa. ʻOku ʻuhinga ʻeni ki he etching leisa takitaha ʻi he founga hono tokangaʻi ʻo e meʻafana leisa mo e fika fakahokohoko (serial) mo e ʻaho ʻo e ngaohiʻanga koloa, foaki ha, ID lelei. ʻOku tau fie maʻu ʻeni ʻi heʻetau founga ngaue kae lava ke maʻu ha lekooti ʻo e polokalama takitaha ki he calibration ʻi he kahaʻu.
ʻOku hanga ʻe hono fakatolonga ʻo ha timi teuteu ʻo e fale ʻo ʻomi kiate kitautolu ʻa e faingamalie ke tau maʻu ai ha taimi vave mo lelei ki ha ngaahi ngaue kehekehe kau ai:
- Fakalakalaka ʻo e koloa foʻou
- Fai ha Liliu
- Founga fokotuʻutuʻu ʻo e leisa
