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.
Flag or banner. 1  Pennon (or pennant), a narrow, tapering flag commonly flown by ships at sea: Pennant (commissioning), the traditional sign of a warship, flown from its masthead while the ship is in commission. Broad pennant, flown from the masthead of a Royal Navy ship to indicate the presence of a commodore on board.