abstract angled angles appearance caterpillar-track continuous-track continuous-tread-band mobility movement propulsion tank-tread track-plates vehicle-propulsion weight-distribution wheels World-War-2-tank-track WWII-tank continuance durability endurance eternity nature quality rock stone surface beauty brown center continuity evolving fern gradually green growing leafs plant regenerating rotation spiral spores advice alert announcement beware black bright camera cctv communicating communication constant continuous information informing lookout notice observation observe safety security sign surveillance under-observation video warning warning-sign watch watched yellow electronic protected protection secure Afrikaans barbecue barbecued beef boerewors braai braaied chakalaka color colour continuous-spiral cook cooked cuisine farmer’s-sausage food grilled iconic-spiral-shape lamb meat pap plate pork raw sausage South-African-national-beef-sausage surfaces taste tasty texture textures 10%-spices-&-other-ingredients 30%-or-less-fat-content 90%-meat cloves coriander-seeds distinctive-taste no-offal nutmeg pan-fried popular spices symbol symbolic bicycle blue cycling extreme jump mountain bike pose silhouette sky sports sunrise sunset