If the smoke

To check the thrust, it is required to light chips or straw, this is done to check the quality of the gloss of the cracks. If the smoke does not penetrate through the smeared cracks, then you can wait for the solution to dry and calmly use it further. To prevent frequent clogging of the pipe soot, it is necessary to build a visor on the pipe, so rainwater does not accumulate in the pipe and does not collect soot in a single com.