plenum ventilation การใช้

It culminated preparations dating from the mid-1890s to modernise hospital design, with special regard to advances in antiseptic treatment in surgery and the application of plenum ventilation.
T-19 became the first tank, specially designed for the actions under the conditions of chemical warfare, for which it was equipped with plenum ventilation, producing 180 m3 / h of filtered air, capable of neutralizing phosgene, hydrocyanic acid, chloropicrin, carbon monoxide and toxic smokes during 3-X of hours, after which crew could carry out combat mission in the gas masks, or, after replacing filter, to act without them already 3 hours.