How do filters in revit separate families of the same type? The filter can only filter the same family bar in the normal state, and only one filter setting can be set for each race type. You can set the filter of keywords with different family types. However, you can also manually add shared parameters, define instance parameters for them and give different values, and then filter them with filter settings.
Is it necessary to put air purifier in the car? It's necessary to put it.The internal filter screen of the car air purifier can effectively filter PM2.5 and harmful gases to the human body.HEPA filter layer and activated carbon filter layer.HEPA (High efficiency participation air Filter ),High efficiency air filter,HEPA is one of the best efficient filter materials in the world,Originally, HEPA was applied to nuclear energy research and protection,It is now widely used in precision laboratories, pharmaceutical production, atomic research, and surgical operations where high cleanliness is required.HEPA is made of very small organic fibers,The ability to capture particles is strong,Small aperture,Large adsorption capacity,High purification efficiency,And water absorption,For 0.The particle purification rate of 3 microns is 99.97%.That is to say, every 10000 particles,Only 3 particles can penetrate the HEPA filter membrane.Therefore,The effect of its filter particles is very obvious!If you filter cigarettes