Tip: A champion is not a must-have but can certainly help to ensure motivation for an initiative of this kind is maintained and staff engagement kept high.
提示：声援者并非必须具备的，但肯定有助于确保维持这种倡议的动力，保持工作人员参与的积极性。
2
For selectively closing the hooks, a slide is provided, which can be brought into engagement both with the tip of the fine needle and with the tip of the coarser needle.