The scale is the general term fo✔£σr the magnitude or mark engrav£α₩$ed on the measuring tool o≥✔★₽r instrument. It is an i∞>mportant measuring tool for measuring σ  the length, width and height of an →↕♦∞object and the capacity of liquid. I₹εts precision requiremen↓<וts are very high. The laser markingβ&" machine is used to α® mark the scale of the measuring ∑γ$↓tool, which has both accuracy,β<γ speed and longevityε≈← of marking.