The technician confirmed that all office printers are properly grounded before the safety inspection.

技術人員在安全檢查前確認所有辦公室印表機都已妥善接地。

Please ensure the shipping container's refrigeration unit is grounded before connecting it to power.

連接電源前，請確認貨櫃的冷藏設備已經接地。

Hotel guests should only use grounded outlets when charging laptops in their rooms.

飯店房客在房間為筆電充電時，應只使用有接地的插座。