Atelectasis comes from the Greek words ateles and ektasis with the literal meaning âincomplete expansionâ. It pertains to collapse, either complete or partial, of the lung, which may subsequently cause decreased volume and diminished gas exchange. [ 1, 2, 3 ]. An image representing Atelectasis, or collapsed lung.
If you are asked to apply a second coat while the first is still wet, make sure you do so. Nothing ruins the look of a deck more than a poorly applied stain or finish. TAGS: clear deck stains, deck stain types, opaque deck stains, semi-transparent deck stains, wood stain.
Water stains on wood consist of 2 types: white stains and dark stains. White stains are the result of moisture penetrating into the finish, but not into the wood itself. Leaving a glass with condensation on its exterior on wood can cause a white stain that looks like a ring.ethod 2 of 3: Removing Dark Stains With Sandpaper. 1. Remove the finish over the stain gently with sandpaper, moving with the grain of the wood. 1  Use #100-grit sandpaper, and then feather the edges with #150-grit sandpaper.