Smoke leakage (S): The duct shall not have a leakage exceeding five m³/h for each one m² of inner surface area spot. This shall be connected with the floor area from the duct from your perforated plate to the end with the duct via the inlet nozzles. Additionally, mentorship can https://grease-tight-extract-duct46789.actoblog.com/37824749/grease-tight-extract-ductwork-no-further-a-mystery