angles arms connected connections danger dangerous electricity electricity-power-grid elevated elevation external height heights high insulators New on-high perspectives power power-lines power-pole raised renewed replaced risks risky safety service street-light wires wiring allow allowed bathe bathing beach beaches between care careful coast coastguard current don't dont fishmonk flag Flags fun instruct instruction life lifeguard not order recreation red safe stop surf surfing swim swimming warn warning yellow advice alert appropriate behavior appropriate behaviour black blue chinese colors colours concern directions emergencies emergency english languages protect protection rain rain-drops sign signs slip slippery slippery floor slippery surface slipping warning sign wet wet surface white alive animal animals aquarium aquariums background beautiful blue background creature creatures fish jelly jelly fish jellyfish live ocean oceans poison poisonous pretty sea soft tentacle tentacles translucent transparent under sea undersea wild appropriate-behavior appropriate-behaviour avoid be-careful caution communicating communication flammable gas gaseous natural-gas no-ignition outlet potential risk stay-clear vapour vapours warned warning-sign announcement beware informing Look looking lookout observant watch watch-out