Peb tsom mus rau Emergency Exit Sign teeb,Emergency Qab nthab Teeb, Lub teeb thaum muaj xwm ceev nrog IP 30 thiab qib explosionproof, kuj lub qab nthab teeb nrog radar sensor muaj nuj nqi, Down teeb nrog thaum muaj xwm ceev muaj nuj nqi.

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