drilling platform, offshore rig
['king crab, Alaska crab, Alaskan king crab, Alaska king crab, Paralithodes camtschatica', 'valley, vale', 'water tower', 'thresher, thrasher, threshing machine', 'assault rifle, assault gun', 'trailer truck, tractor trailer, trucking rig, rig, articulated lorry, semi', 'fountain']