above angles appearance building capping cover covered covering edge exhaust-pipes exterior external grooved grooves height high roof roof-area roof-capping roof-whirlybird roofing rooftop shapes sky sunlight sunshine textures tiles tiling turbine-ventilator vent ventilation ventilation-exhaust-pipes ventilation-system ventilator vents whirlybird whirlybirds wind-turbine atmospheric-humidity ceiling circles circular cool cooling curved curves curving decore descending design distinctive down down-pour downward drop droping environment glass high-tech indoor-gardens inside interior light lighting liquid long public-area reflections skylight steel structure tall transparent unique visibility water waterfall wet windows aeroplane air-industry aircraft airline airlines airplane airport airport-tarmac airport-terminal equipment equipment-storage-area jet-engine jets ladders lines luggage-trolley marked markings mobile parked plane prepared readiness ready service servicing stairs steps tarmac terminal transport transportation travel traveling travelling trolleys vehicles cleaning danger dangers ear protection high-pressure improvement maintenance pressure pressure-cleaning renovating renovation repairs restoration restoring risks risky safety skies spray tools tough work workman alert appropriate-behavior appropriate-behaviour area attention banned blue boundaries boundary cigarettes communicating communication direction directive distance entrance health health-risk limits location no-smoking not-allowed not-permitted painted permission-denied pollution prohibited prohibition shopping-center shopping-centre sign symbol unhealthy warning wording words agricultural-land agriculture Australia canola clouds color colors colour colours country crop cultivated cultivation distant farming farms fields flora flower-heads flowering flowers green growth isolated isolation land landscape paddocks perspective rapeseed rural rural-area scene scenery surface surfaces trees vast vegetation wallpaper yellow art artificial artwork Australian bits-and-pieces humor humour immobile inactive inert lifeless makebelieve metalwork motionless nearby pretend-farm-transport roadside scrap-metal-sculpture signage static stationary unmoving