Storage

We are in a place where there is a large storage. This is a place used as a warehouse to store items. There are complete different rooms. The items were mostly arranged on the shelves, and the items that did not fit on the shelves were placed on the floor. Our task in this game is to find 20 items given to us in a list. Our aim is quite simple and understandable, but since there are too many items inside, we need to evaluate the time issue well. There are also about us to get 3 tips.