| 摘要 |
<p>When a job has to be performed while resting on ones knees or putting weight on the elbow, it can be painful after a while, causing bruises to the skin and lasting damage to the joints. The protection pad (1) is of a suitable size and either assembled of a soft core and a separate cover or made of a suitable elastic material in a single piece. Loops (2) can be fixed to its outer edge in order to be attached to fastenings straps or to join the device (1) to a key ring for transport.</p> |
