advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware care careful caution communicating communication concern danger dangerous directions font informing Look looking lookout observant parallel-signage rectangle red reflective risk risks safety sign signage signs slow slow-down speed speed-hump steel-post traffic traffic-sign triangle warning warning-sign watch watch-out white word aircraft anchored balloon cable checks circular colors colours control controlled duty-pilot engineers fabric filled flight-operation gondola height helium helium-balloon high inspected inspections large limited mesh metal-cable metal-line monitored monitoring motion movement net passengers pilot piloted registered ride safe secure secured sights sightseeing Singapore tethered tourists views weather-limits wind-limits 3D abstract backdrop background blue blue planet bright circle clean climate climate change conservation cool creation crystal ball design dez pain earth ecology environment global globe glowing going green graphic habitat illustration life light moon nature orb outer space planet sci-fi science science fiction shape space sphere symbol system technology vector water weather wet World xymonau appearance colored coloured compare comparison cooking culinary cultivars dicotyledonous edible enormous food gigantic golden-sweet-potato healthy herbaceous-perennial-vine ipomoea-batatas kūmara kūmera nutritional nutritious plant popular purple raw root root-vegetable shapes size Sizes skin-colours skins starchy surface surfaces sweet-potato sweet-potatoes texture textures tuber tuberous uncooked varieties vegetable vine black communicate information large-vehicles less-noise limitations message noise-reduction noise-restrictions Noisy outback residential-area restricted restriction restrictions risky rural-area semi-trailers symbols town-boundaries trailers transport transportation trucking trucks vehicles words appetisers appetizers bite-sized bulk chopped up cut display displayed finger food flavor flavored flavour flavoured h'orderves ham hams horderves hors d'oeuvres meat pork processed processed food processed meat quantity salted salty sausages savory savory sausages savoury savoury sausages selection skin sliced smallgoods snack food snacks taste tasty variety various shapes