FASCINATION ABOUT DUST SEAL RING 442.6906

CCN may be a dust storm drifting via a cloud, or an updraft with dust particles in it. Water vapor in the clouds condenses, or turns to liquid, close to CCN. Invisible dust is frequently at the middle of each raindrop.Dust is in all places. It settles on all surfaces during the organic ecosystem as well as inside houses and buildings �?the place