Không có khói trong ống khói

Video screenshots

• 00:04
• 00:26
• 00:48
• 01:10
• 01:32
• 01:54
• 02:17
• 02:39
• 03:01
• 03:23

Usually I don't do the elderly but grandpa had cash on hand so I made an exception. I see now that just because there isn't smoke in the chimney means there's no fire in the furnace.