1592953507000 1312632483000 term-54884 1616541094549 1312632549000 1616289825096 adlib fitz-online adlib-term-54884 365e82b6-e268-3565-8899-bb4ad1554526 2 1 scope note Stairs which turn 180 degrees as they progress from bottom to top. reference term-53870 adlib-term-53870 0af49e0b-6db8-35ad-b570-22901aecf46e half-turn stair V.PJ.AFU.ALO.ARI.BIQ.AXC.AFU.AFU.BZY.ALO 1 code V.PJ.AFU.ALO.ARI.BIQ.AXC.AFU.AFU.BZY.ALO 1 half-turn stairs reference term-53879 adlib-term-53879 1053b566-1a3b-3761-b8e0-723a831e5e59 <stairs by form: turns> half-turn stairs term