chain saw cherry picker danger ear muffs extension Harness height helmet looking down lopping men men at work noise reduction Noisy professional pruning raised platform safety safety harness tall tall tree tree tree loppers tree lopping up high work workmen birds coastline construction contrast crane Denmark drilling energy engineering equipment esbjerg exploration floating harbour industrial industry low tide nautical ocean offshore oil platform port power production rig sandbank sandrag sea ship shipping ships skyline supply technology vessel waterfront well wharfage windcarrie angles building building-construction building-site building-work cabin cables construction-site construction-work heights high hoist hoisting lifting light linear lines metal-work modern platforms railing rails raising scaffolding security skip steel-scaffolding aeroplane air-industry aircraft airline airlines airplane airport airport-tarmac airport-terminal appearance curved curves door jets lights loaded loading mobile mobile-loading-platform moveable movement open parked passenger-plane plane sunshine tarmac terminal transport transportation travel traveling travelling vehicles barrier carriage-end carriages coaches confined connected connection display displayed end grille handles heritage historical history mat metal mobility passengers railway railway-yard restoration restoration-yard restore restored train trains wood wooden arm basket cherry-picker cleaning dangerous electricity elevated elevation external insulators machinery on-high perspectives power-lines power-pole raised raised-platform risks risky safety-harness surface surfaces up-high washing workman architectural architecture Australia barriers dark design doors elements escape exit exterior fire-escape historic masonry multi-level old plain rural safe solid stairs steps stonework walls windows age ancient archaeology archaic bog bronze bushes County crannog dwelling home homestead house ireland irish iron Kenmare kerry lake model mountain neolithic oak past piling pond post posts prehistoric raft residence roof southern stilts stone structure thatch Thatched trees water woods lift pipes workers working