| 摘要 |
FIELD: head wear for protecting individual's head from dust and bulk materials. SUBSTANCE: head wear has head portion composed of wedge-shaped parts, peak and protective shield formed as veil. Folding-back panel is disposed between head portion and protective shield. Head part and folding-back panel are provided with zipper-type fastener to provide additional dust protection. Flexible cord running along edge of side panel allows extent of adherence of head wear to individual's head to be adjusted. EFFECT: increased efficiency, simplified construction, convenient wearing. 3 dwgt
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