1592953987000 1312632483000 term-81710 1616541260697 1312632579000 1616290072476 adlib fitz-online adlib-term-81710 7216c4a3-1c3d-3e87-a0cf-395c4b33074d 2 1 scope note Thin shields used when erasing to avoid erasing the surrounding work. PUTNAM reference term-81709 adlib-term-81709 2d371e0e-a77b-3184-9f06-f1ec6fccfa3b erasing shield V.TH.AFU.AXC.DZW.AFU.ALO.BUE 1 code V.TH.AFU.AXC.DZW.AFU.ALO.BUE 1 erasing shields reference term-81764 adlib-term-81764 4ede5c95-dfd3-3792-a5f8-4287f7cea21e <drafting, drawing and writing equipment by specific type> erasing shields term