prov:value
| - The worker is subject to atmospheric conditions.?? One or more of the following conditions that affect the respiratory system of the skin: fumes, odors, dust, mists, gases, or poor ventilation.?? The worker is frequently in close quarters, crawl spaces, shafts, man holes, small enclosed rooms, small sewage and line pipes, and other areas that could cause claustrophobia.?? The worker is required to
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