policy ballet Twitter risk health safety Busts and mannequins Feathers shuttle contents machinery refugees sash Guidelines stem stitch exhibition fiber dust Facebook Huipil pest management Laos feelings checklist moving 20th century Raymonda giraffe silk Silk conservation Hans Maler false weave Zuzu museum Lace reconstruction cotton date Swan Lake Leaves to Beads cuffs cap stockings traditional costume personal memories care heavy metals donor tunic Marking pants personal narrative material Felting Titian identifying lace stripes shoes lace ICOM Identification labeling