Mask computing To configure IP addresses on interfaces, masks start with 255 and have the large values on the left side: for example, IP address 18.104.22.168 with a 255.255.255.224 mask. Masks for IP ACLs are the reverse: for example, mask 0.0.0.255. This is sometimes called an inverse mask or a wildcard mask. When the value of the mask is broken down into .Prevention of viral hemorrhagic fever Prevention of viral hemorrhagic fever is similar for the different viruses. There are a number of different viral hemorrhagic fevers including Ebola virus disease, Lassa fever, Rift valley fever, Marburg virus disease, CrimeanCongo haemorrhagic fever CCHF and yellow fever. Lassa, Ebola, Marburg and CCHF can be spread by direct contact with the body fluids of those infected.Fluidized bed A fluidized bed is a physical phenomenon occurring when a quantity of a solid particulate substance usually present in a holding vessel is placed under appropriate conditions to cause a solid/fluid mixture to behave as a fluid.This is usually achieved by the introduction of pressurized fluid through the particulate medium. This results in the medium then having many properties and .Wikipedia:WikiProject Physics/Taskforces/Fluid dynamics . WikiProject Physics Fluid Dynamics Taskforce works on improving the quality and coverage of articles and categories within the field of fluid dynamics the natural science of fluids liquids and gases in motion.But we also keep an eye on fluid statics. Our activities include, but are not limited to: improving articles, assessing their quality, creating new ones, identifying articles as .N95 mask The N95 type is the most common particulatefiltering facepiece respirator. It is an example of a mechanical filter respirator, which provides protection against particulates but not against gases or vapors.Talk:Influenza A virus/Archive 1 Its likely that any public businesses or government offices that remain open will make it mandatory that you wear a mask before entering. Make sure that your mask has a rating of N100. The more common N95 masks will not give you enough protection. There is one mask the NanoMask which not only blocks the H5N1 virus, but kills it as well.