Made of a special alloy, the balance spring is fabricated exclusively by Nivarox (Swatch Group).Its complex set-up requires craftsmen dedicated to this task only.

Swatch集团Nivarox 公司，出品采用合金材纵杠杆，生产这种产品这需要非常好手艺。

Ridges on achene surface in Senecio and Taraxacum are useful for absorbing small particles or control-ling surface temperature.Spinule on achene of Taraxacum may be fit for epizoochore.

千里光属植物和蒲公英属植物瘦果表面纵更为突起，可能有吸附小颗粒和控制表面温度，蒲公英属植物瘦果表面微刺可能有2传播。