| 摘要 |
<p>The life jacket is for swimming or life saving and is made in rubberised material in one piece. It has an opening (2) that passes over the head and is fixed to the waist by a strap (3) with a buckel (4) which also fastens a strap that passes between the legs. It has inflatable tubes (5) of different widths and lengths which cover the back and chest of the user, the longer and wider ones covering the back. The tubes can be inflated separately by individual valve (6).</p> |
