advice alert appropriate-behavior appropriate-behaviour avoid be-careful below-ground black care careful caution communicating communication concern danger dangerous digging digging-dangers flammable gas gaseous natural-gas no-ignition pipeline pipes potential red risk risks risky safety sign signs stay-clear vapour vapours warned warning warning-sign white build cabin construcion cutout dig digger excavator isolated machine make hole renovation tractor vehicle work beach blue handle holiday plastic sand sea shadow spade spades toy toys water wood bulldozer construction earth excavate groundwork hole machines wheel wheels bucket deep Dirt equipment excavators ground grounded iron metal rust rusty scoop closed cold grojec line reconstruction repair snow street truck winter workers works adults african banded bands brown burrow burrowing carnivore colonies colony color colors colour colours diurnal forage foragers foraging fur furry grayish-brown greyish-brown long-tailed mammal mongoose mongooses mungos-mungo muscular omnivores omnivorous pattern patterned patterns pointed-snout pups shelter social socializing striped stripes strong-clawed sturdy warren warrens widespread wildlife