accident angles broken clearing damage damaged danger dangerous dangling electricity elevation equipment external height heights high insulators machinery on-high perspectives power power-lines power-pole repair-crew repairing repairs risks risky safety snapped surface surfaces up-high work workman workmen arm elevated hydraulics lifting raised raising replace replacement replacing service trucks vehicles basket cherry-picker cleaning extension Harness raised-platform safety-harness washing above aeroplane aircraft blue earth fly flying of on plane sky soar the top window wing wings World acrobat black circus human shadow shape silhouette stilt stilts tall walk walk on stilts white woman filling-in replaced shovel shoveling shovelling stabilising stabilizing connecting connections arms connected electricity-power-grid New renewed street-light wires wiring