The results obtained show that airflow reversal of declensional ventilation is catastrophic and the reversal may occur even in higher quantity of ventilation airflow.
Two-way combustion method with normal and reversal combustion is a new type of practical technology, with which clean combustion of bitumite-moulded coal can be realized.
Stepping aside Kite text messages Pine Sage. It turns out the elder have misread Kite's scribbled evite. It is too late for the elder to seek help at the last digital reversal.