dead end lines no pole post posts power sign signpost signposts signs sky steel stp sundtraffic traffic warning way yellow accomplish accomplishment arena Dirt flair flight free freedom grass height high leap leaping liberty over paddock pretty speedy swish buck bucking mane speed tail alternative cell conservation electricity energy environment environmental equipment fuel gas generation global green greenhouse Harness heat nature panel solar arrow attention beware black danger directions high voltage industrial lightning pictogram voltage coal engine engineering german loco locomotive old rail railroad railway steam steamtrain track train transport transportation travel cable electric insulate insulator line supply tower transmission transmit wire wood wooden.pole Africa America business earth export globe growth import isolated multitasking network orbit planet quality success World worldwide ancient arch architecture capital column columnade Doge's Palace historical Italy landmark ornamental ornate palace palatial pillar splendid Venice age aged bark bole bumps dents massive meadow oldly root Roots spring strong tree trees trunk background box brick cabinet dynamic electrical range rust rusty source sticker symbol watt worn