Ib qho yog tias tus nqi tuaj yeem tswj tau yooj yim. Muaj ntau hom teeb pom kev qhov chaw. Koj tuaj yeem xaiv lub teeb pom kev me me lossis lub teeb pom kev loj dua. Lub sijhawm nruab nrab ntawm cov ntsiab lus tseem tuaj yeem tswj tau yooj yim. Ob yam no cuam tshuam ncaj qha rau tus nqi tes haujlwm.
Qhov thib ob yog cov cuab yeej hloov pauv tau, uas tuaj yeem tsim kho nrog cov khoom siv txhuas, cov cuab yeej siv hlau, lossis ncaj qha txuas, uas txhais tau tias cov phab ntsa tiaj tiaj tuaj yeem yog cov cuab yeej siv, phab ntsa nkhaus tuaj yeem yog cov cuab yeej siv, thiab tshem tawm cov khoom siv hauv zos tuaj yeem yog cov khoom siv, LED Tsis muaj cov khoom lag luam hauv lub teeb uas tuaj yeem hloov lub raj thaiv
Qhov thib peb yog tias nws muaj ntau yam kev siv. Nws tuaj yeem hloov cov raj thaiv, LED qhia, lossis LED teeb teeb. Nws tuaj yeem siv rau teeb pom kev dav ntawm cov tsev thiab cov lus tshaj tawm.