3D abstract color danger help light need peace reflection Rendered silence text word deep keep letters out prohibit sign signpost warn warning water wooden yellow angles arm dangerous digger elevated elevation equipment external height heights high hydraulics lifting machinery perspectives post-hole-digger power power-pole raised raising replacement replacing risks risky safety service spiraling spiralling trucks up-high vehicles work arms connected connections electricity electricity-power-grid insulators New on-high power-lines renewed replaced 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 advice alert appropriate behavior appropriate behaviour black blue chinese colors colours concern directions emergencies emergency english languages protect protection rain rain-drops 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 announcement appropriate-behavior appropriate-behaviour be-careful beware cars caution communicating communication directional informing lanes left lefthand-lane Look looking lookout message observant risk road road-rules traffic traffic-flow watch watch-out