ចម្លើយ

ថ្ងៃទី 03 ខែមេសា ឆ្នាំ 2025 - ម៉ោង 01:35 ព្រឹក
According to the user manual, it is recommended to test the ឧបករណ៍ weekly. This ensures that the alarm is functioning properly and can detect dangerous CO and gas concentrations. If the device is not functioning as described in the manual, it should be replaced.
បន្ថែមមតិយោបល់ថ្មី។