[11] The pressures created by 'the stack result' depend upon the buoyancy of heated or increasing air. Wind-driven ventilation depends on the pressure with the prevailing wind to tug and force air in the enclosed space along with by way of breaches while in the making's envelope. The EN 81-twenty:2014 https://marconfthv.like-blogs.com/29962485/examine-this-report-on-lift-shaft-ventilation