看新聞報導 ,有些區域有些業者會看瓦斯鋼瓶有沒過期 ,來加收費用
如果不常使用,久久叫一次的 ,一下子就會貴別人很多錢
https://www.youtube.com/watch?v=J9hdLgm2wd4&t=42s
[YOUTUBE]J9hdLgm2wd4[/YOUTUBE]
https://www.youtube.com/watch?v=nYDw5J_sDqk
[YOUTUBE]nYDw5J_sDqk[/YOUTUBE]

https://www.youtube.com/watch?v=I6nJRvlNa7M
[YOUTUBE]I6nJRvlNa7M[/YOUTUBE]
https://www.youtube.com/watch?v=qIh-MWrVk2I

https://www.youtube.com/watch?v=X6oRQzGOgI0
https://www.youtube.com/watch?v=R8ETZdZIBjk