This video shows why you cant always trust all information on the internet, as well as shows the basics of torque wrenches and a few oddball calculations you might run across when building custom things.
Underground mine ventilation. Underground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove dust and noxious gases (typically NOx, SO2, methane, CO2 and CO) and to regulate temperature.
Alveolar ventilation refers to the amount of gas that reaches the alveoli during a breath. Deadspace ventilation refers to the rest of the gas taken in during a breath that stays in spaces not capable of gas exchange, like the trachea and conducti...