| 摘要 |
<p>Means for providing protection against infection during oral sexual activity comprises a thin transparent plastics, rubber or similar film which covers the mouth and/or the female genitals. The first type of protective is pref. in the form of mask covering the chin and lower part of the face, opt with a pocket to allow the tongue to be extended. The second type pref. comprises briefs with a transparent panel of the thin rubber or plastics material.</p> |
