| 摘要 |
In a sheet (2) of glass resting on a supporting surface (8), a given cut line (3) is made by a wheel (15) free to rotate about an axis (14) perpendicular to the supporting surface (8) by determining a cut start point (P) on the cut line (3), determining the tangent (18) to the cut line (3) at the cut start point (P), and orienting the wheel (15) by rotating it about the perpendicular axis (14) so that the projection (19) of its peripheral edge (16) on the supporting surface (8) is positioned parallel to the tangent (18) prior to moving the wheel (15) up to the cut start point (P). <IMAGE>
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