1. Tawm mus thiab xyuas kom zoo thiab so tej plua plav ntawm cov tsos nrog cov phuam ntub, los yog teeb tsa nws. Tsis txhob saib cov ntsiab lus me me, koj tuaj yeem ua nws tsawg kawg txhua zaus koj lub hnab ntev dua li lwm tus.
2. Txheeb xyuas yog tias tus zipper khiav ruaj khov, thiab thov siv quav ciab me me los ntawm txoj kev. Yog tias tsis muaj cov xov pob roj uas muaj ntxhiab ntawm cov zipper, nws yog feem ntau siv los ntub cov zipper. Ntawm ib sab tes, tiv thaiv zipper, thiab rub tus zipper rov qab thiab dua. Cov khoob khoob tau tag nrho cov roj, thiab qee cov tub lag luam muaj roj nplua nyeem tshwj xeeb.
3. Cov ntaub ntawv trolley tso nyob qhov twg? Hauv qab txaj? Nyob rau sab saum toj ntawm lub qhov rais, chav siv hluav taws xob, lub hauv paus ntsiab lus ntawm kev khaws cia yog tias nws tsis tuaj yeem kov cov dej, tiv thaiv lub hnub los ntawm kev tawg, tiv thaiv cov hluav taws los ntawm ci. Nws tuaj yeem tso hauv qab dai ntawm chav dai, thiab hauv qab txaj.