1. Yuav tsum tau txais kev tiv thaiv zoo li qub. Cov teeb meem hauv qab ntim dej hauv qab hauv dej yuav tsum tau txais kev pom zoo los tiv thaiv qee yam tshuaj tiv thaiv rau hauv tus txheej txheem ntawm kev ua, kev tsim khoom thiab kev tsim kho.
2. Tshem nyiaj rau lub sealing ntawm LED khoom. Txawm tias cov khoom siv teeb pom kev zoo li cas, thaum lawv thov nyob sab nraud, lawv ntsib teeb meem ntawm ya raws thiab ruaj khov, tshwj xeeb tshaj yog rau cov underwater teeb.
3. Cov roj teeb hauv qab ntaiv yuav tsum tau siv los ntawm dc qhov tam sim no lub hwj chim.