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.
Outdoor Banner Stands. Outdoor banner stands are a popular type of portable outdoor display. Unlike banner stands for indoor display, outdoor banner stands have some type of weighted base or design to allow the displays to remain stable in the wind.