These problems include the inability to connect to Wi-Fi, 3G and/or Edge, lack of push notifications and issues with the YouTube application. Fortunately there are several fixes you can try to correct these data issues on your iPhone: 3.
Chimney soot is another contaminant resulting from incomplete combustion, and it forms when wood does not burn hot enough (less than 284 degrees). This powdery brown or black dust sticks to the inside of chimneys (sometimes escaping into the air) and carries a few risks similar to creosote, such as: Lung Hazard.
Chimney Sweep Stories. A Common Cause of a Chimney Leak: Flashing. A leaky chimney can cause all sorts of problems which require costly repair. When we go on service calls related to leaks in the chimney system, we often find that the source of the trouble is faulty flashing.