All authors participated in the first investigation. Tim Sharpe led the research and this paper, Paul Farren contributed on the review structure and undertook the fieldwork and Assessment of the monitored knowledge, Stirling Howieson contributed for the study layout and Investigation with the monitored knowledge, Paul Tuohy led the ventilation https://manuelpfvkx.angelinsblog.com/29515732/examine-this-report-on-lift-shaft-ventilation