Xov xwm khoom

  • Cov khaub ncaws sab nraum zoov yog dab tsi

    Sab nraum zoov ib puag ncig yog qhov nyuaj, tiv thaiv ib puag ncig tsis zoo ntawm kev ua phem rau tib neeg lub cev, tiv thaiv lub cev kub tsis ploj thiab tawm hws sai, tub ceev xwm hauv roob, pob zeb thiab lwm yam kev ua si sab nraum zoov, hnav cov khaub ncaws. Sab nraum zoov cov khaub ncaws faib rau hauv nroog leisure. khaub ncaws ncaws pob thiab...
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  • Cov khaub ncaws pov hwm kev ua haujlwm

    Cov khaub ncaws pov hwm kev ua haujlwm yog hais txog cov neeg ua haujlwm tsim khoom los tiv thaiv tib neeg kev nyab xeeb thiab hnav khaub ncaws, muaj khaub thuas, hluav taws kub, cua, anticorrosive, thiab lwm yam.Xws li cov neeg ua haujlwm hlau thiab cov neeg tua hluav taws hnav khaub ncaws asbestos, "cov neeg ua haujlwm tshuaj lom neeg hnav cov kua qaub pov thawj, corrosi ...
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  • Hais txog kev ua haujlwm ntaub

    -Cov yam ntxwv ntawm cov cuab yeej siv ntaub 1. Kev lag luam Cov yam ntxwv tseem ceeb tshaj plaws ntawm cov khaub ncaws ua haujlwm yog cov txiaj ntsig kev lag luam.Ntau lub lag luam yuav tau nruab nrog cov khaub ncaws ua haujlwm tom qab lawv cov neeg ua haujlwm nkag mus rau hauv lub tuam txhab.Vim cov neeg ua haujlwm ntau, nws yog tshwj xeeb ntshuam ...
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