The ventilation system of childbirth shed is divided into positive pressure ventilation, negative pressure ventilation, equal pressure (or micro positive pressure) ventilation mode, and natural ventilation. Positive-pressure ventilation and equal-pressure (or micro-positive) ventilation modes apply to filtration systems, there are also negative pressure ventilation for the mode of filtration system, natural ventilation used in the traditional independent building Design, mprempren nnɛyi mprako fie no adi dwuma, krataa yi titiriw de ba a ɛtaa ba negative pressure mode of maternity care in the ventilation system.
Wɔ nhyɛso bɔne a ɛnyɛ filtration ho no, sɛnea akwan ahorow a wɔfa so fa mframa mu no te, nanso wɔkyekyɛ mu nso yɛ ɔdan atifi mframa kwan, ɔdan atifi a ɛyɛ nwini kɔ mframa kwan so, ne ɔdan atifi a wɔde ka ho ne mframa tenten a ɛwɔ joint mode a ɛwɔ ntama no mu{0}} Ahuhuro abɔnten so ɔhyew a ɛsen biara a ɛwɔ atifi fam awɔw bere mu wɔ China no nyɛ nea ɛboro anaasɛ ɛboro so kakra 30℃, ebetumi agye ɔdan atifi a ɛyɛ nwini no atom wɔ mframa a ɛbɔ no mu; Ɛsɛ sɛ awɔw bere mu ɔhyew a ɛkorɔn beae afoforo no fa ɔdan atifi ne ntama a ɛda hɔ a wɔaka abom, anaasɛ ntama a wɔde kata ɔdan atifi a ɛma onwini so (Saa ɔkwan yi hwehwɛ sɛ wɔde ɔdan atifi ne ɔdan atifi bere koro mu di dwuma denam nneɛma a wɔde siw ɔhyew ano so, na sɛnea beae no te na ama mframa a ɛfata wɔ ɔdan no mu).
