Cov tes nqa tuaj yeem tsuas yog mus tab sis tsis yog dab tsi tshwm sim?
1. Muaj sundries nyob rau hauv lub iav zawj;
2. Yog tias koj nias lub elevator hloov, koj tuaj yeem hnov lub suab ntawm of the elever thiab qee zaum koj tsis tuaj yeem ua, uas koj tsis tuaj yeem ua tau, qhov ntawd txhais tau tias lub cev muaj zog ntau dua;
3. Iav Lifter yog lub lifting ntaus ntawv ntawm lub qhov rooj tsheb thiab qhov rai iav, tsuas yog muab faib ua hluav taws xob nqa khoom thiab siv iav lifter ob pawg. Tam sim no ntau lub qhov rooj tsheb thiab Windows iav lifection feem ntau hloov mus rau khawm hom hluav taws xob hluav taws xob;
4. Lub khob ntim khoom siv hluav taws xob rau cov tsheb feem ntau yog tsim ntawm cov motors, ropes, coj daim hlau, iav mounting nkhaus thiab lwm yam. Tus tsav tsheb tswj tau qhib thiab kaw ntawm txhua lub qhov rooj thiab lub qhov rooj, thaum tus neeg nyob hauv lub qhov rooj qhib thiab kaw ntawm txhua lub qhov rooj thiab lub qhov rai sib txuas.
5. Nws tau hais kom mus rau 4s point rau kev saib xyuas. Yog tias nws tsis tuaj yeem hloov, kev tsav tsheb thiab kev tsav tsheb yuav cuam tshuam.
