Ib qho ntawm cov haujlwm tseem ceeb tshaj plaws ntawm cov hnab looj tes hluav taws yog tias lawv tuaj yeem tiv thaiv tus yeeb ncuab. Cov hnab looj tes hluav taws kub yog kub resistant los yog insulated. Cov hnab looj tes no feem ntau yog siv los ntawm cov neeg tua hluav taws. Yog li ntawd cov neeg tua hluav taws tuaj yeem tiv thaiv kev puas tsuaj los ntawm cov neeg tawm tsam sab nraud thaum tua hluav taws ntawm qhov chaw tua hluav taws. Piv txwv li, qhib hluav taws, hluav taws xob hluav taws xob, qee cov tshuaj corrosive thiab qee yam khoom tawv thiab ntse uas yooj yim ua rau tib neeg tuaj yeem ua lub luag haujlwm tiv thaiv zoo. Tsis txhob raug mob thiab tiv thaiv txoj sia.
Lub luag haujlwm ntawm cov hnab looj tes hluav taws yog dab tsi
Jun 14, 2022
Xa kev nug