1592953950000 1312632483000 term-79524 1616541151587 1312632577000 1616290401824 adlib fitz-online adlib-term-79524 486b5a12-bf53-3991-88ef-f0f4e92b250c 2 1 scope note Ladders comprising more than one section, each of which slides within the other and locks on the other, thus allowing lengthening. MEANS reference term-79523 adlib-term-79523 c2b74c45-357a-3f58-bcba-0ad6bc90937a extension ladder V.TH.AFU.AXC.HTY.ALO.ARI 1 code V.TH.AFU.AXC.HTY.ALO.ARI 1 extension ladders reference term-79553 adlib-term-79553 3dde49cc-c115-38e9-98b7-e3094b115214 ladders extension ladders term