The internet is a goldmine for wasting time, especially when it comes to memes and random images. Some users have come across quite a few painfully obvious signs that probably did not need to be put up. For example, putting a "Caution: Fire is Hot" sign right next to a scalding flame, probably isn't the smartest idea, but whoever happens to blow right past this sign, there's a nice fence railing to keep you safe from the heat. Continue reading to see all the signs. Click here for a few bonus images.