21. Quivers may be wooden, with an animal hide covering and a woven strap. 22. Most exposures have been in laboratories or in factories containing contaminated wool or animal hides . 23. It was tested on wool sorters, who got the disease from handling animal hides . 24. And in Cape Town, he enthusiastically pounded a tribal drum made of animal hide . 25. This plant produced glues from animal hides . 26. The tipi consisted of a thin wooden frame and an outer covering of animal hides . 27. The quiver may be wooden, with an animal hide covering and a woven strap. 28. The two partners also transformed an old barn on tanning house for curing animal hides . 29. Most past exposures have been in laboratories or in factories containing contaminated wool or animal hides . 30. These cases usually occur in people who handle animal hides or wool that contained anthrax spores.