The addition of ethanol, which is fully miscible in water yet, less polar than Water reduces its solubility. This reduction of solubility results in precipitation of least soluble salts first or the salt which is not soluble in solvents less polar than water.
Pole pockets on banners are something that can cause a bit of confusion. This is compounded by the fact that some companies do things differently when producing banners with pole pockets.
Curtain or Drapery Header terms (tops): 1  Rod Pocket ... is a space or pocket sewn at the top of a curtain into which the curtain pole rod is inserted. 2  Pinch Pleat ... is a traditional drapery header and comes in many different styles such as Double pinched pleats, Pencil pleats, Goblet pleats, Box pleats, Butterfly pleats, Cartridge pleats ...