天然氣著火時首先應該關閉什麼

在處理天然氣火災之前, 關閉天然氣閥門是關鍵的第一步.

閥門是否損壞且無法操作, 在嘗試關閉閥門之前集中精力滅火.

發生瓦斯火災時, 需要立即採取行動: calling the fire department for emergency response and contacting the gas supply company to disconnect the gas source and facilitate necessary repairs.