autumn blue brown circular concrete control controlled distinctive equipment established fall galvinised gray grey heavy-duty industrial inlet leaves marked measure measured outlet pipe piped pipes plumbing plumbing-fittings round rounded rust rusted rusting supplied supply utility valve volume water water-mains water-supply asphalt barricade barrier caution closed closing off color cone cones direction focus freeway guard guide-post light line Lübecker Hütchen mark marker marking move object orange pitbox lane post pylons racecourse road roadpylons roadsign roadworks safety sign signal speed street stripe symbol traffic warning african around basketry black bowl carrying circles coiled coils coloration colorful coloring colors colour colourful colouring colours container containers contrast contrasting cultural culture decoration decorative hand-made interconnected intermeshed interwoven layered layers shape shaped size texture textures useful weave winding wound woven amperage business cable circuit construction current danger distribution electric electrical electricity energy facility factory flowers fuel generation generator global high industry infrastructure insulator metal plant power production sky station steel structure substation system technology tower transformer transmission voltage volts wire abstract artistic backdrop background basket baskets cane christmas colored coloured craftwork design detailed fibers fibres handles household lines overlapping pattern patterned ribbed strength strong style surface surfaces textured