Rau qhov loj, Txhuam Ua Tshuab Cov tsos, nta, pob khoom, thiab lwm yam tuaj yeem yog qhov tseem ceeb uas nyiam cov neeg siv khoom. Nyob rau hauv tus txheej txheem ntawm txoj kev loj hlob ntawm Toilet txhuam tshuab, Broom txhuam tshuab, tsis muaj plua plav tshuab, peb cov neeg tsim qauv tau ua raws li qhov tseeb qauv thiab tshuaj xyuas cov neeg siv khoom saj, yog li, ua rau lub tshuab ntxhua khaub ncaws ntxhua khaub ncaws, ntxhua khaub ncaws ntxhua khaub ncaws, tsis muaj plua plav tshuab tshwj xeeb hauv nws. qauv thiab tsim style. Raws li rau nws cov yam ntxwv, peb sim ua kom nws zoo tshaj los ntawm kev siv cov khoom siv raw khoom siab.
Tsom ntsoov rau Customized High Speed Brush Machine txij li xyoo 1988.
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