DUKAS cov tshuab cua cais roj sab nraud yog cov khoom sib xyaw ua ke thiab me me hauv cov qauv.

✅ Lub tshuab cais roj sab nraud: Hloov lim dej sai thiab yooj yim, txuag tau lub sijhawm saib xyuas thiab cov nqi zog ua haujlwm.

✅ Ruaj khov thiab siv tau ntev: Siv cov thev naus laus zis German, ua tiav qhov kev lim dej kom raug txog li 3ppm, tiv thaiv lub tshuab tseem ceeb tau zoo.

✅ Kev ua haujlwm zoo thiab txuag hluav taws xob: Lub kaw lus tswj hwm ntse hloov kho qhov ntim pa tawm raws li qhov xav tau, txo qis kev siv hluav taws xob.

✅ Kev ua haujlwm suab nrov qis: Kev tsim qauv tshwj xeeb, suab nrov ua haujlwm tuaj yeem qis dua 62 decibels.