abstract appearance architectural architecture background barrier building color colored colour coloured corrugated corrugations elements external galvanised galvanized metal multicolored multicoloured perspectives raised rounded smooth strength strong surface surfaces texture textures variations wall angles appearances basic brick wall bricks cement colors colours firm mortar rough solid standard traditional brick wall wallpaper walls boundary closed coloration connected divide divided dividing door garage grill grille joined light linked ribbed ribbing ribs rollerdoor secure security shadows backdrop brown cardboard creased creases crossed crossing folds paper sheet storage surfaced tactile textured tone tones x-shaped blue brave cardiology coronary design desire father figure graphic health healthcare heart icon illustration image isolated love man medical medicine patriot pictogram red religion romance scrapbooking shape symbol valentine white danger electric-power electricity electricity-poles electricity-power-lines energy equipment height high high-voltage high-voltage-equipment insulators power power-poles power-supply sub-station supply transformers wires wiring box-culverts bridging concrete constructed construction construction-work culvert drainage holed open openings penetrations precast prefabricated preparation prepared preset readiness stacked sunlight sunshine