[stanyslaw]

imagine a flood is in the news for your local area and you own a wal-mart or store you will be devasted to know your products will go bad and be damaged possibly stolen. one push of a button a unit from the ground floor will rise up covering the entire isle both sidea preventing water to enter from the bottom to the top sealing off the whole shelving from theft as well it'll help for mild tornado's as well keeping the mayo on the shelves instead of flying to the other side of the store.