1. Hais txog cov lus nug ntawm seb lub tshuab nqus tsev kab rov tav puas haum rau kev siv hauv tsev, tus editor ntawm no tuaj yeem qhia rau koj paub tseeb tias nws yog qhov tseeb. Vim nws yog Ameslikas ib hom khoom nqus tsev vacuum. Feem ntau muaj peb hom tshuab nqus tsev vacuum nyob rau hauv kev ua lag luam niaj hnub no: upright lub tshuab nqus tsev vacuum, kab rov tav nqus tsev vacuum cleaners thiab portable nqus tsev vacuum.
2. Tam sim no koj paub tias kab rov tav lub tshuab nqus tsev yog tsim nyog rau kev siv hauv tsev, cia peb saib luv luv ntawm nws cov yam ntxwv lossis qhov zoo thiab qhov tsis zoo. Qhov tseeb, lub tshuab nqus tsev kab rov tav tsuas yog lub tshuab nqus tsev nyob rau hauv av. Nws muaj qhov zoo ntawm cov plua plav loj tuav lub peev xwm thiab muaj zog nqus; nws yog heev haum rau tsev neeg siv. Tab sis nws kuj muaj qhov tsis zoo ntawm kev ua me me loj.
